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Security

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

Security Update Guide CISA KEV

CVEs · all collected releases

2592 matches in Windows · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-96946 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-2026-96947 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-2026-96950 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-2026-96953 Windows Universal Disk Format File System Driver (UDFS) Remote Code Execution VulnerabilityWindows Universal Disk Format File System Driver (UDFS) Important 7.80.3%RCELocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-97013 Windows Shell Elevation of Privilege VulnerabilityWindows Shell Important 7.80.3%EoPLocal
KB5131077KB5131080+8
CVE-2026-97792 Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege VulnerabilityWindows Container Isolation FS Filter Driver (unionfs.sys) Important 7.80.3%EoPLocal Fix has a known issue
KB5126646KB5126653+2
CVE-2026-97794 Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege VulnerabilityWindows Container Isolation FS Filter Driver (unionfs.sys) Important 7.80.3%EoPLocal Fix has a known issue
KB5126646KB5126653+3
CVE-2026-97798 Windows Error Reporting Service Elevation of Privilege VulnerabilityWindows Error Reporting Important 7.80.5%EoPLocal Fix has a known issueRevised 30 Oct
KB5126646KB5126653+4
CVE-2026-97799 Windows Audio Service Elevation of Privilege VulnerabilityWindows Audio Service Important 7.80.4%EoPLocal Fix has a known issue
KB5127646KB5127648
CVE-2026-97800 Windows Mobile Broadband Elevation of Privilege VulnerabilityWindows Mobile Broadband Important 7.80.3%EoPLocal Fix has a known issue
KB5127646KB5127648
CVE-2026-97803 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.80.4%EoPLocal Fix has a known issue
KB5127646
CVE-2026-97804 HID Class Driver Elevation of Privilege VulnerabilityHID class driver Important 7.80.3%EoPLocal Fix has a known issue
KB5126646KB5126651+6

Advisories

MSRC guidance without a CVE of its own · 1 advisory
ADV260001
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 10:02 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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