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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-2026-78447 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%EoPLocal
KB5122871KB5122876+6
CVE-2026-78448 Windows Biometric Service Elevation of Privilege VulnerabilityWindows Biometric Service Important 7.80.3%EoPLocal
KB5122871KB5122876+6
CVE-2026-78459 Microsoft Internet Information Services Elevation of Privilege VulnerabilityWindows Internet Information Services Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-80075 Windows Work Folders Elevation of Privilege VulnerabilityWindows Work Folders Important 7.80.3%EoPLocal Revised 15 Sep
KB5122871KB5122876+7
CVE-2026-81353 HEIF Image Extensions Remote Code Execution VulnerabilityMicrosoft Windows Codecs Library Important 7.80.5%RCELocal
—
CVE-2026-81969 Windows Server Update Service Elevation of Privilege VulnerabilityWindows Server Update Service Important 7.80.3%EoPLocal Fix has a known issue
KB5126646KB5126651+4
CVE-2026-83499 Windows Server Update Service Elevation of Privilege VulnerabilityWindows Server Update Service Important 7.80.3%EoPLocal Fix has a known issue
KB5126646KB5126651+4
CVE-2026-83506 Servicing Stack Updates Elevation of Privilege VulnerabilityServicing Stack Updates Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83508 Windows NTFS Elevation of Privilege VulnerabilityWindows NTFS Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83513 Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege VulnerabilityWindows Universal Disk Format File System Driver (UDFS) Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83514 Windows Partition Management Driver Elevation of Privilege VulnerabilityWindows Partition Management Driver Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83518 RPC Runtime Elevation of Privilege VulnerabilityRPC Runtime Important 7.80.4%EoPLocal Revised 16 Oct
KB5122880KB5124008+1

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 05:08 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current