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Security

Microsoft security updates and public advisory evidence: affected products, fixing updates, exploitation and source coverage.

CVEs · all collected releases

2592 matches in Windows · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-123388 Windows Program Compatibility Assistant Service Elevation of Privilege VulnerabilityWindows Program Compatibility Assistant Service Important 7.8—EoPLocal
KB5131077KB5131080+8
CVE-2026-124225 Windows PowerShell Remote Code Execution VulnerabilityWindows PowerShell Important 7.8—RCELocal
KB5131077KB5131085+8
CVE-2026-49785 UEFI Secure Boot Security Feature Bypass VulnerabilityWindows UEFI Important 7.80.4%SFBLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-56172 Windows VHD miniport driver Elevation of Privilege VulnerabilityWindows VHD miniport driver Important 7.80.3%EoPLocal Revised 10 Nov
KB5122871KB5122876+5
CVE-2026-56177 Windows Server Elevation of Privilege VulnerabilityWindows Server Important 7.80.3%EoPLocal
KB5122871KB5122876+6
CVE-2026-56198 Microsoft Trace Data Helper Elevation of Privilege VulnerabilityMicrosoft Trace Data Helper Important 7.80.3%EoPLocal
KB5122871KB5124008+1
CVE-2026-58600 HEVC Video Extensions Elevation of Privilege VulnerabilityMicrosoft Windows Codecs Library Important 7.80.5%EoPLocal
—
CVE-2026-61931 Windows Perception Simulation Service Elevation of Privilege VulnerabilityWindows Perception Simulation Service Important 7.80.4%EoPLocal Fix has a known issue
KB5126651KB5126653+2
CVE-2026-62697 Windows Push Notifications Elevation of Privilege VulnerabilityWindows Push Notifications Important 7.80.3%EoPLocal Revised 14 Oct
KB5122871KB5122878+4
CVE-2026-62810 Active Directory Certificate Services (AD CS) Elevation of Privilege VulnerabilityActive Directory Certificate Services (AD CS) Important 7.80.3%EoPLocal
KB5122871KB5122876+8
CVE-2026-68832 Windows NTFS Elevation of Privilege VulnerabilityWindows NTFS Important 7.80.3%EoPLocal
KB5122871KB5122876+8
CVE-2026-68836 Windows kernel32.dll Elevation of Privilege VulnerabilityWindows kernel32.dll Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+8

Advisories

MSRC guidance without a CVE of its own · 1 advisory
Hardening changes for ReFS volumes on removable mediaStarting with Windows updates released on and after October 13, 2026, Microsoft is making hardening changes to the Resilient File System (ReFS) . This change is not enable by default until 2027. Please see Hardening changes for ReFS volumes on removable media for more information.
Published 13 Oct28 affected products
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 13 Nov 00:55 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current