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Microsoft Update Intelligence

Administrator notices from Microsoft, summarised: what changed, and what you should do.

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CVE-2026-108471: Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

A critical security vulnerability in Windows VBS Enclave can allow an authorized attacker to elevate privileges locally. This affects systems using VBS.

What you should do

Apply the security update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Windows Virtualization-Based Security (VBS) Enclave, Elevation of Privilege, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-108467: Microsoft PostScript Printer Driver Remote Code Execution Vulnerability

A critical security vulnerability in the Microsoft PostScript Printer Driver allows remote code execution via a heap-based buffer overflow.

What you should do

Install the latest security update for the Microsoft PostScript Printer Driver immediately. AI-suggested

Details

Original Microsoft text

Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an authorized attacker to execute code over a network.

Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Microsoft PostScript Printer Driver, Remote Code Execution, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-108460: Windows Message Queuing Remote Code Execution Vulnerability

A critical security vulnerability in Windows Message Queuing allows remote code execution, which could be exploited by unauthorized attackers.

What you should do

Apply the security update as soon as possible to mitigate the risk of remote code execution. AI-suggested

Details

Original Microsoft text

Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.

Severity
Critical · CVSS 8.1
Type
Security updates
Tags
Windows Message Queuing, Remote Code Execution, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-108457: Microsoft Windows PDF Remote Code Execution Vulnerability

A critical security vulnerability in Microsoft Windows PDF processing could allow remote code execution. This affects systems using Windows.

What you should do

Apply the security update as soon as possible to mitigate the risk of remote code execution. AI-suggested

Details

Original Microsoft text

Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.

Severity
Critical · CVSS 8.1
Type
Security updates
Tags
Microsoft Windows PDF, Remote Code Execution, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-108400: HEVC Video Extensions Remote Code Execution Vulnerability

A critical security vulnerability in the Microsoft Windows Codecs Library allows remote code execution via HEVC video files.

What you should do

Update the Microsoft Windows Codecs Library to the latest version to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Integer overflow or wraparound in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.

Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Microsoft Windows Codecs Library, Remote Code Execution, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-108399: Windows Hyper-V Elevation of Privilege Vulnerability

A critical vulnerability in Windows Hyper-V allows local attackers to elevate privileges due to a heap-based buffer overflow.

What you should do

Apply the security update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

Severity
Critical · CVSS 7.2
Type
Security updates
Tags
Windows Hyper-V, Elevation of Privilege, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-108131: Active Directory Federation Services (AD FS) Spoofing Vulnerability

A critical vulnerability in AD FS allows unauthorized attackers to perform spoofing over a network, potentially compromising user authentication.

What you should do

Apply the security update as soon as possible to mitigate the spoofing vulnerability in AD FS. AI-suggested

Details

Original Microsoft text

No cwe for this issue in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

Severity
Critical · CVSS 7.5
Type
Security updates
Tags
Active Directory Federation Services (AD FS), Spoofing, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-108130: Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

A critical security vulnerability in Windows VBS Enclave can allow an authorized attacker to elevate privileges locally.

What you should do

Apply the security update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Severity
Critical · CVSS 7.8
Type
Security updates
Tags
Windows Virtualization-Based Security (VBS) Enclave, Elevation of Privilege, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-105733: Windows Hyper-V Remote Code Execution Vulnerability

A security vulnerability in Windows Hyper-V allows authorized attackers to execute code locally. This affects systems using Hyper-V.

What you should do

Apply the security update as soon as possible to mitigate the risk. AI-suggested

Details

Original Microsoft text

Improper access control 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-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-105016: Microsoft QUIC Remote Code Execution Vulnerability

A critical security vulnerability in Microsoft QUIC allows remote code execution, which could be exploited by attackers.

What you should do

Apply the recommended update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

Severity
Critical · CVSS 9.8
Type
Security updates
Tags
Microsoft QUIC, Remote Code Execution, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · verify against the original
Review Recommended

CVE-2026-102225: Windows Text Shaping Remote Code Execution Vulnerability

A critical security vulnerability in Windows Text Shaping allows remote code execution, which could be exploited over a network.

What you should do

Apply the security update as soon as possible to mitigate the risk of remote code execution. AI-suggested

Details

Original Microsoft text

Out-of-bounds read in Windows Text Shaping allows an unauthorized attacker to execute code over a network.

Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Windows Text Shaping, Remote Code Execution, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-102214: Windows Hyper-V Remote Code Execution Vulnerability

A critical security vulnerability in Windows Hyper-V allows authorized attackers to execute code locally. This affects systems using Hyper-V.

What you should do

Apply the security update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Use after free 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-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-102211: Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

A critical security vulnerability in Windows Virtualization-Based Security (VBS) Enclave can allow an authorized attacker to elevate privileges locally. This affects Windows systems using VBS.

What you should do

Apply the security update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Use after free in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Severity
Critical · CVSS 7.0
Type
Security updates
Tags
Windows Virtualization-Based Security (VBS) Enclave, Elevation of Privilege, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-100220: Windows Media Video Decoder Remote Code Execution Vulnerability

A critical security vulnerability in the Windows Media Video Decoder allows remote code execution via a heap-based buffer overflow.

What you should do

Apply the security update as soon as possible to mitigate the risk of remote code execution. AI-suggested

Details

Original Microsoft text

Heap-based buffer overflow in Windows Media Video Decoder allows an unauthorized attacker to execute code over a network.

Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Windows Media Video Decoder, Remote Code Execution, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-100219: Microsoft QUIC Remote Code Execution Vulnerability

A critical security vulnerability in Microsoft QUIC allows remote code execution, which could be exploited by attackers.

What you should do

Apply the security update as soon as possible to mitigate the risk of remote code execution. AI-suggested

Details

Original Microsoft text

Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

Severity
Critical · CVSS 9.8
Type
Security updates
Tags
Microsoft QUIC, Remote Code Execution, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · verify against the original
Review Recommended

CVE-2026-100215: Microsoft Graphics Component Remote Code Execution Vulnerability

A critical security vulnerability in Microsoft Graphics Component could allow remote code execution. This affects systems using the component.

What you should do

Apply the security update as soon as possible to prevent exploitation. AI-suggested

Details

Original Microsoft text

Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.

Severity
Critical · CVSS 7.8
Type
Security updates
Tags
Microsoft Graphics Component, Remote Code Execution, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-100202: Windows Message Queuing Queue Manager Remote Code Execution Vulnerability

A critical security vulnerability in Windows Message Queuing Queue Manager allows remote code execution. This affects all Windows systems using this service.

What you should do

Apply the security update as soon as possible to mitigate the risk of remote code execution. AI-suggested

Details

Original Microsoft text

Use after free in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.

Severity
Critical · CVSS 9.8
Type
Security updates
Tags
Windows Message Queuing Queue Manager, Remote Code Execution, 2026-Oct
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-85921: Windows Secure Kernel Mode Elevation of Privilege Vulnerability

A critical security vulnerability in Windows Secure Kernel Mode allows authorized attackers to elevate privileges locally. This affects Windows systems.

What you should do

Apply the security update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Double free in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

Severity
Critical · CVSS 8.2
Type
Security updates
Tags
Windows Secure Kernel Mode, Elevation of Privilege, 2026-Sep
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-83939: Windows Secure Kernel Mode Elevation of Privilege Vulnerability

A critical security vulnerability in Windows Secure Kernel Mode allows an attacker to elevate privileges locally. This affects all Windows systems using Secure Kernel Mode.

What you should do

Apply the security update as soon as possible to mitigate the risk. AI-suggested

Details

Original Microsoft text

Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.

Severity
Critical · CVSS 8.2
Type
Security updates
Tags
Windows Secure Kernel Mode, Elevation of Privilege, 2026-Sep
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-83501: Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability

A critical security vulnerability in Windows VBS Enclave allows an authorized attacker to disclose information locally.

What you should do

Apply the security update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Out-of-bounds read in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.

Severity
Critical · CVSS 5.5
Type
Security updates
Tags
Windows Virtualization-Based Security (VBS) Enclave, Information Disclosure, 2026-Sep
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-83498: Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

A critical security vulnerability in Windows VBS Enclave can allow an authorized attacker to elevate privileges locally.

What you should do

Apply the security update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Severity
Critical · CVSS 7.8
Type
Security updates
Tags
Windows Virtualization-Based Security (VBS) Enclave, Elevation of Privilege, 2026-Sep
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-81955: Windows Graphics Component Remote Code Execution Vulnerability

A critical security vulnerability in the Windows Graphics Component allows remote code execution via a heap-based buffer overflow.

What you should do

Apply the security update as soon as possible to mitigate the risk of remote code execution. AI-suggested

Details

Original Microsoft text

Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Microsoft Graphics Component, Remote Code Execution, 2026-Sep
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-81355: Virtual Hard Disk (VHD) Miniport Driver Remote Code Execution Vulnerability

A critical security vulnerability in the VHD Miniport Driver allows authorized attackers to execute code locally via a heap-based buffer overflow.

What you should do

Apply the security update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to execute code locally.

Severity
Critical · CVSS 7.5
Type
Security updates
Tags
Virtual Hard Disk (VHD) Miniport Driver, Remote Code Execution, 2026-Sep
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-81354: Windows Hello Elevation of Privilege Vulnerability

A critical vulnerability in Windows Hello can allow an authorized attacker to elevate privileges locally. This affects systems using Windows Hello.

What you should do

Apply the security update as soon as possible to mitigate the vulnerability. AI-suggested

Details

Original Microsoft text

Heap-based buffer overflow in Windows Hello allows an authorized attacker to elevate privileges locally.

Severity
Critical · CVSS 8.2
Type
Security updates
Tags
Windows Hello, Elevation of Privilege, 2026-Sep
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original
Review Recommended

CVE-2026-81352: Web Media Extensions Remote Code Execution Vulnerability

A critical security vulnerability in the Microsoft Windows Codecs Library could allow remote code execution. This affects Windows systems.

What you should do

Apply the security update as soon as possible to mitigate the risk of remote code execution. AI-suggested

Details

Original Microsoft text

Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.

Severity
Critical · CVSS 8.8
Type
Security updates
Tags
Microsoft Windows Codecs Library, Remote Code Execution, 2026-Sep
AI analysis
Critical priority · generated by qwen2.5:7b · possibly affects Windows · verify against the original