Windows Key Distribution Center Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (KB5122876, KB5122882, KB5122871 and 3 more).
Severity CriticalExploited NoDisclosed NoAffects Windows Server 2012, Windows Server 2012 (Server Core installation) (+10 more)Fix KB5122876, KB5122882, KB5122871 and 3 more
What you should do
If you run the affected products, install Microsoft's update (KB5122876, KB5122882, KB5122871 and 3 more); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Use after free in Windows Key Distribution Center allows an authorized attacker to execute code over a network.
Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Windows Key Distribution Center, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows Hello Elevation of Privilege Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Unlikely. Microsoft publishes a customer-installable fix (KB5122878, KB5124008, KB5122880 and 1 more).
Severity CriticalExploited NoDisclosed NoAffects Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems (+12 more)Fix KB5122878, KB5124008, KB5122880 and 1 more
What you should do
If you run the affected products, install Microsoft's update (KB5122878, KB5124008, KB5122880 and 1 more); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hello allows an authorized attacker to elevate privileges locally.
Severity
Critical · CVSS 7.5
Type
Security updates
Tags
Windows Hello, Elevation of Privilege, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Unlikely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Microsoft Office PowerPoint Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (KB5002920 and release notes).
Severity CriticalExploited NoDisclosed NoAffects Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft 365 Apps for Enterprise for 64-bit Systems (+11 more)Fix KB5002920
What you should do
If you run the affected products, install Microsoft's update (KB5002920 and release notes); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
Severity
Critical · CVSS 8.8
Type
Security updates
Services
Microsoft 365 Apps
Tags
Microsoft Office PowerPoint, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows Kerberos Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation More Likely. Microsoft publishes a customer-installable fix (KB5122876, KB5122882, KB5122878 and others listed in the advisory).
Severity CriticalExploited NoDisclosed NoAffects Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems (+28 more)Fix KB5122876, KB5122882, KB5122878 and others listed in the advisory
What you should do
If you run the affected products, install Microsoft's update (KB5122876, KB5122882, KB5122878 and others listed in the advisory); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Authentication bypass by capture-replay in Windows Kerberos allows an authorized attacker to execute code over a network.
Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Windows Kerberos, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation More Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Raw Image Extension Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (see the release notes linked in the advisory).
Severity CriticalExploited NoDisclosed NoAffects Raw Image Extension on Windows 10 Version 21H2 for 32-bit Systems, Raw Image Extension on Windows 10 Version 21H2 for ARM64-based Systems (+10 more)Fix see release notes
What you should do
If you run the affected products, install Microsoft's update (see the release notes linked in the advisory); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Heap-based buffer overflow in Windows Raw Image Extension allows an unauthorized attacker to execute code over a network.
Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Windows Raw Image Extension, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Microsoft Office Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (see the release notes linked in the advisory).
Severity CriticalExploited NoDisclosed NoAffects Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft 365 Apps for Enterprise for 64-bit Systems (+9 more)Fix see release notes
What you should do
If you run the affected products, install Microsoft's update (see the release notes linked in the advisory); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Use after free in Microsoft Office allows an unauthorized attacker to execute code over a network.
Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Microsoft Office, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows HTTP Print Provider Remote Code Execution Vulnerability. Microsoft gives no severity rating; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation More Likely. Microsoft marks customer action as required but lists no specific update or mitigation in the advisory data.
Severity not ratedExploited NoDisclosed NoAffects not listedFix none listed
What you should do
Open the advisory to see which of your products are affected; Microsoft lists no specific update here. from Microsoft's advisory data
Why: Microsoft marks customer action as required but lists no specific update, so check whether your products are affected.
Heap-based buffer overflow in Windows HTTP Print Provider allows an authorized attacker to execute code over a network.
Type
Security updates
Tags
Windows HTTP Print Provider, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation More Likely · Remediation: none listed
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (n/a) is Microsoft's rating and is not treated as proof that action is needed.
Windows Hyper-V Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Unlikely. Microsoft publishes a customer-installable fix (KB5122876, KB5122882, KB5122878 and 6 more).
Severity CriticalExploited NoDisclosed NoAffects Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems (+26 more)Fix KB5122876, KB5122882, KB5122878 and 6 more
What you should do
If you run the affected products, install Microsoft's update (KB5122876, KB5122882, KB5122878 and 6 more); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Windows Hyper-V, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Unlikely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Microsoft Windows Media Foundation Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (KB5122876, KB5122882, KB5122878 and others listed in the advisory).
Severity CriticalExploited NoDisclosed NoAffects Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems (+28 more)Fix KB5122876, KB5122882, KB5122878 and others listed in the advisory
What you should do
If you run the affected products, install Microsoft's update (KB5122876, KB5122882, KB5122878 and others listed in the advisory); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Microsoft Windows Media Foundation, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (KB5122876, KB5122882, KB5122871 and 3 more).
Severity CriticalExploited NoDisclosed NoAffects Windows Server 2012, Windows Server 2012 (Server Core installation) (+10 more)Fix KB5122876, KB5122882, KB5122871 and 3 more
What you should do
If you run the affected products, install Microsoft's update (KB5122876, KB5122882, KB5122871 and 3 more); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a network.
Severity
Critical · CVSS 9.8
Type
Security updates
Tags
Windows Services for NFS ONCRPC XDR Driver, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (KB5122876, KB5122882, KB5122878 and others listed in the advisory).
Severity CriticalExploited NoDisclosed NoAffects Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems (+28 more)Fix KB5122876, KB5122882, KB5122878 and others listed in the advisory
What you should do
If you run the affected products, install Microsoft's update (KB5122876, KB5122882, KB5122878 and others listed in the advisory); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
Severity
Critical · CVSS 9.8
Type
Security updates
Tags
Windows Routing and Remote Access Service (RRAS), Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows Message Queuing Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Unlikely. Microsoft publishes a customer-installable fix (KB5122876, KB5122882, KB5122878 and others listed in the advisory).
Severity CriticalExploited NoDisclosed NoAffects Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems (+28 more)Fix KB5122876, KB5122882, KB5122878 and others listed in the advisory
What you should do
If you run the affected products, install Microsoft's update (KB5122876, KB5122882, KB5122878 and others listed in the advisory); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
Severity
Critical · CVSS 9.8
Type
Security updates
Tags
Windows Message Queuing, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Unlikely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (KB5122876, KB5122882, KB5122871).
Severity CriticalExploited NoDisclosed NoAffects Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems (+6 more)Fix KB5122876, KB5122882, KB5122871
What you should do
If you run the affected products, install Microsoft's update (KB5122876, KB5122882, KB5122871); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
Severity
Critical · CVSS 8.1
Type
Security updates
Tags
Reliable Multicast Transport Driver (RMCAST), Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows Remote Desktop Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (KB5122876, KB5122882, KB5122878 and others listed in the advisory).
Severity CriticalExploited NoDisclosed NoAffects Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems (+28 more)Fix KB5122876, KB5122882, KB5122878 and others listed in the advisory
What you should do
If you run the affected products, install Microsoft's update (KB5122876, KB5122882, KB5122878 and others listed in the advisory); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.
Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Windows Remote Desktop, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows Secure Kernel Mode Elevation of Privilege Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (KB5122882, KB5122878, KB5122871 and 3 more).
Severity CriticalExploited NoDisclosed NoAffects Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems (+16 more)Fix KB5122882, KB5122878, KB5122871 and 3 more
What you should do
If you run the affected products, install Microsoft's update (KB5122882, KB5122878, KB5122871 and 3 more); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
Severity
Critical · CVSS 7.0
Type
Security updates
Tags
Windows Secure Kernel Mode, Elevation of Privilege, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows Imaging Component Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (see the release notes linked in the advisory).
Severity CriticalExploited NoDisclosed NoAffects Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021 (+2 more)Fix see release notes
What you should do
If you run the affected products, install Microsoft's update (see the release notes linked in the advisory); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Integer overflow or wraparound in Windows Imaging Component allows an unauthorized attacker to execute code over a network.
Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Windows Imaging Component, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows Device Association Service Elevation of Privilege Vulnerability. Microsoft gives no severity rating; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation More Likely. Microsoft marks customer action as required but lists no specific update or mitigation in the advisory data.
Severity not ratedExploited NoDisclosed NoAffects not listedFix none listed
What you should do
Open the advisory to see which of your products are affected; Microsoft lists no specific update here. from Microsoft's advisory data
Why: Microsoft marks customer action as required but lists no specific update, so check whether your products are affected.
Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
Type
Security updates
Tags
Windows Device Association Service, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation More Likely · Remediation: none listed
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (n/a) is Microsoft's rating and is not treated as proof that action is needed.
Windows Kernel Elevation of Privilege Vulnerability. Microsoft gives no severity rating; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation More Likely. Microsoft marks customer action as required but lists no specific update or mitigation in the advisory data.
Severity not ratedExploited NoDisclosed NoAffects not listedFix none listed
What you should do
Open the advisory to see which of your products are affected; Microsoft lists no specific update here. from Microsoft's advisory data
Why: Microsoft marks customer action as required but lists no specific update, so check whether your products are affected.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Type
Security updates
Tags
Windows Kernel, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation More Likely · Remediation: none listed
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (n/a) is Microsoft's rating and is not treated as proof that action is needed.
Windows USB Video Driver Elevation of Privilege Vulnerability. Microsoft gives no severity rating; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft marks customer action as required but lists no specific update or mitigation in the advisory data.
Severity not ratedExploited NoDisclosed NoAffects not listedFix none listed
What you should do
Open the advisory to see which of your products are affected; Microsoft lists no specific update here. from Microsoft's advisory data
Why: Microsoft marks customer action as required but lists no specific update, so check whether your products are affected.
Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate privileges over a network.
Type
Security updates
Tags
Windows USB Video Driver, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: none listed
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (n/a) is Microsoft's rating and is not treated as proof that action is needed.
Windows DHCP Server Elevation of Privilege Vulnerability. Microsoft gives no severity rating; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Unlikely. Microsoft marks customer action as required but lists no specific update or mitigation in the advisory data.
Severity not ratedExploited NoDisclosed NoAffects not listedFix none listed
What you should do
Open the advisory to see which of your products are affected; Microsoft lists no specific update here. from Microsoft's advisory data
Why: Microsoft marks customer action as required but lists no specific update, so check whether your products are affected.
Missing authentication for critical function in Windows DHCP Server allows an authorized attacker to elevate privileges over a network.
Type
Security updates
Tags
Windows DHCP Server, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Unlikely · Remediation: none listed
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (n/a) is Microsoft's rating and is not treated as proof that action is needed.
Microsoft Office Word Remote Code Execution Vulnerability. Microsoft gives no severity rating; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft marks customer action as required but lists no specific update or mitigation in the advisory data.
Severity not ratedExploited NoDisclosed NoAffects not listedFix none listed
What you should do
Open the advisory to see which of your products are affected; Microsoft lists no specific update here. from Microsoft's advisory data
Why: Microsoft marks customer action as required but lists no specific update, so check whether your products are affected.
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Type
Security updates
Services
Microsoft 365 Apps
Tags
Microsoft Office Word, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: none listed
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (n/a) is Microsoft's rating and is not treated as proof that action is needed.
Microsoft Office Remote Code Execution Vulnerability. Microsoft rates it Critical; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft publishes a customer-installable fix (KB5002916 and release notes).
Severity CriticalExploited NoDisclosed NoAffects Microsoft 365 Apps for Enterprise for 32-bit Systems, Microsoft 365 Apps for Enterprise for 64-bit Systems (+8 more)Fix KB5002916
What you should do
If you run the affected products, install Microsoft's update (KB5002916 and release notes); the advisory lists the exact build per product. from Microsoft's advisory data
Why: Microsoft lists a customer-installable fix, so it matters if you run the affected products.
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Microsoft Office, Remote Code Execution, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: update published
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (Critical) is Microsoft's rating and is not treated as proof that action is needed.
Windows DCOM Server Elevation of Privilege Vulnerability. Microsoft gives no severity rating; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft marks customer action as required but lists no specific update or mitigation in the advisory data.
Severity not ratedExploited NoDisclosed NoAffects not listedFix none listed
What you should do
Open the advisory to see which of your products are affected; Microsoft lists no specific update here. from Microsoft's advisory data
Why: Microsoft marks customer action as required but lists no specific update, so check whether your products are affected.
Heap-based buffer overflow in Windows DCOM Server allows an authorized attacker to elevate privileges locally.
Type
Security updates
Tags
Windows DCOM Server, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: none listed
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (n/a) is Microsoft's rating and is not treated as proof that action is needed.
Windows CD-ROM Driver Elevation of Privilege Vulnerability. Microsoft gives no severity rating; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Less Likely. Microsoft marks customer action as required but lists no specific update or mitigation in the advisory data.
Severity not ratedExploited NoDisclosed NoAffects not listedFix none listed
What you should do
Open the advisory to see which of your products are affected; Microsoft lists no specific update here. from Microsoft's advisory data
Why: Microsoft marks customer action as required but lists no specific update, so check whether your products are affected.
Heap-based buffer overflow in Windows CD-ROM Driver allows an authorized attacker to elevate privileges locally.
Type
Security updates
Tags
Windows CD-ROM Driver, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Less Likely · Remediation: none listed
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (n/a) is Microsoft's rating and is not treated as proof that action is needed.
Windows NTFS Elevation of Privilege Vulnerability. Microsoft gives no severity rating; not reported as exploited; not publicly disclosed; exploitability assessment: Exploitation Unlikely. Microsoft marks customer action as required but lists no specific update or mitigation in the advisory data.
Severity not ratedExploited NoDisclosed NoAffects not listedFix none listed
What you should do
Open the advisory to see which of your products are affected; Microsoft lists no specific update here. from Microsoft's advisory data
Why: Microsoft marks customer action as required but lists no specific update, so check whether your products are affected.
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.
Type
Security updates
Tags
Windows NTFS, 2026-Sep
Microsoft advisory data
Customer action required: Yes · Exploited: No · Publicly disclosed: No · Exploitation Unlikely · Remediation: none listed
Classification
Derived from Microsoft's structured advisory fields, not by AI. Severity (n/a) is Microsoft's rating and is not treated as proof that action is needed.