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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-2026-83690 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+5
CVE-2026-83691 Windows DHCP Server Elevation of Privilege VulnerabilityWindows DHCP Server Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83692 Windows Bind Filter Driver Elevation of Privilege VulnerabilityWindows Bind Filter Driver Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126653+4
CVE-2026-83698 Windows Client-Side Caching (CSC) Service Elevation of Privilege VulnerabilityWindows Client-Side Caching (CSC) Service Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83699 Windows Client-Side Caching (CSC) Service Elevation of Privilege VulnerabilityWindows Client-Side Caching (CSC) Service Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83700 Windows Now Playing Session Manager Elevation of Privilege VulnerabilityWindows Now Playing Session Manager Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+5
CVE-2026-83704 Microsoft Windows Search Component Elevation of Privilege VulnerabilityMicrosoft Windows Search Component Important 7.80.5%EoPLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83709 Windows NTLM Elevation of Privilege VulnerabilityWindows NTLM Important 7.80.4%EoPLocal Fix has a known issueRevised 21 Oct
KB5126646KB5126651+6
CVE-2026-83712 Windows NTFS Remote Code Execution VulnerabilityWindows NTFS Important 7.80.4%RCELocal Fix has a known issue
KB5126646KB5126651+5
CVE-2026-83721 Win32k Elevation of Privilege VulnerabilityWindows Win32K Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5127646+1
CVE-2026-83726 Windows DWM Core Library Elevation of Privilege VulnerabilityWindows DWM Core Library Important 7.80.4%EoPLocal Fix has a known issue
KB5126646KB5126651+6
CVE-2026-83727 Windows Overlay Filter Elevation of Privilege VulnerabilityWindows Overlay Filter Important 7.80.4%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 13 Nov 05:08 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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