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Security

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

Act first · September 2026

Exploited, KEV-listed, or publicly disclosed
CVE-2026-81963ImportantExploitedCISA KEV · due 22 SepEoPLocal
Windows Update Stack Elevation of Privilege Vulnerability
CVSS 7.8 KB5122871KB5122880KB5124008+1
CVSS 7.8 KB5122876KB5122878KB5122882+3
Patch next · critical, "exploitation more likely", or top 5% EPSS · needs an update154
CVSS 9.8 · EPSS 1.0% KB5122871KB5122876KB5122882+3
CVSS 8.8 · EPSS 0.8% KB5122871KB5122876KB5122878+7
CVSS 9.0 · EPSS 0.7% No KB listed
Showing 3 of 154All critical

CVEs · September 2026

650 matches in ESU · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-70585 Windows Services for NFS ONCRPC XDR Driver Remote Code Execution VulnerabilityWindows Services for NFS ONCRPC XDR Driver Critical 7.00.3%RCELocal
KB5122871KB5122876+4
CVE-2026-72980 Windows Hello Security Feature Bypass VulnerabilityWindows Hello Critical 4.40.6%SFBLocal
KB5122871KB5122876+6
CVE-2026-68839 Windows USB Mass Storage Class Driver Remote Code Execution VulnerabilityWindows USB Mass Storage Class Driver Important 9.81.0%RCENetwork Revised 10 Nov
KB5122871KB5122876+8
CVE-2026-69276 Microsoft UxTheme Library (uxtheme.dll) Remote Code Execution VulnerabilityMicrosoft UxTheme Library (uxtheme.dll) Important 9.81.0%RCENetwork
KB5122871KB5122876+8
CVE-2026-69408 Microsoft Windows Media Foundation Remote Code Execution VulnerabilityMicrosoft Windows Media Foundation Important 9.81.0%RCENetwork
KB5122871KB5122876+8
CVE-2026-69431 Telnet Client Remote Code Execution VulnerabilityTelnet Client Important 9.81.0%RCENetwork
KB5122871KB5122876+8
CVE-2026-69463 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 9.81.0%RCENetwork
KB5122871KB5122876+8
CVE-2026-69491 Microsoft DirectMusic Remote Code Execution VulnerabilityWindows Microsoft DirectMusic Important 9.81.0%RCENetwork
KB5122871KB5122876+8
CVE-2026-69493 Windows Event Logging Service Remote Code Execution VulnerabilityWindows Event Logging Service Important 9.81.0%RCENetwork
KB5122871KB5122876+8
CVE-2026-69496 Windows Compressed Folder Remote Code Execution VulnerabilityWindows Compressed Folder Important 9.81.0%RCENetwork
KB5122871KB5122876+8
CVE-2026-69525 Remote Desktop Services Remote Code Execution VulnerabilityWindows Remote Desktop Services Important 9.81.0%RCENetwork
KB5122871KB5122876+8
CVE-2026-69586 Microsoft Windows PDF Remote Code Execution VulnerabilityMicrosoft Windows PDF Important 9.81.0%RCENetwork Revised 30 Sep
KB5122871KB5122876+6
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 11 Nov 12:06 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current