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Security

CVE detail from Microsoft's public MSRC CVRF API, cross-checked with CISA's Known Exploited Vulnerabilities catalog. Counts cover Microsoft-issued CVEs; republished third-party CVEs such as Chromium or Linux are hidden unless you include them.

Security Update Guide CISA KEV

CVEs · all collected releases

649 matches · most urgent first CSV Text
Fixed by KB5126836Clear
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-83717 Windows Installer Elevation of Privilege VulnerabilityWindows Installer Important 7.00.3%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83718 Windows Installer Elevation of Privilege VulnerabilityWindows Installer Important 7.00.3%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83722 Microsoft Local Security Authority (LSA) Server Elevation of Privilege VulnerabilityMicrosoft Local Security Authority Server (lsasrv) Important 7.00.2%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83724 Windows Management Instrumentation Elevation of Privilege VulnerabilityWindows Management Instrumentation Important 7.00.2%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83738 Windows Ancillary Function Driver for WinSock Elevation of Privilege VulnerabilityWindows Ancillary Function Driver for WinSock Important 7.00.2%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83750 Windows Error Reporting Elevation of Privilege VulnerabilityWindows Error Reporting Important 7.00.2%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83752 Windows Installer Elevation of Privilege VulnerabilityWindows Installer Important 7.00.2%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83775 Windows Installer Elevation of Privilege VulnerabilityWindows Installer Important 7.00.2%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83785 Windows COM+ Event System Service Elevation of Privilege VulnerabilityWindows COM+ Event System Service Important 7.00.3%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83879 Windows Overlay Filter Elevation of Privilege VulnerabilityWindows Overlay Filter Important 7.00.2%EoPLocal Fix has a known issue
KB5126646KB5126651+7
CVE-2026-83899 Windows Installer Elevation of Privilege VulnerabilityWindows Installer Important 7.00.2%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83908 RPC Runtime Elevation of Privilege VulnerabilityRPC Runtime Important 7.00.3%EoPLocal Fix has a known issue
KB5126646KB5126651+8

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 17 Oct 04:25 UTC · 253 of 255 readable · 252 fully read · documentation 0/410 current

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