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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-2026-72966 Windows Remote Access Connection Manager Tampering VulnerabilityWindows Remote Access Connection Manager Important 5.50.3%TamperingLocal
KB5122871KB5122876+7
CVE-2026-73004 Windows Autopilot Tampering VulnerabilityWindows Autopilot Important 5.50.3%TamperingLocal
KB5122871KB5122878+4
CVE-2026-73008 Windows Biometric Service Information Disclosure VulnerabilityWindows Biometric Service Important 5.50.5%Information DisclosureLocal
KB5122871KB5122876+6
CVE-2026-77491 Windows GDI Information Disclosure VulnerabilityWindows GDI Important 5.50.4%Information DisclosureLocal Revised 28 Oct
KB5122871KB5122876+8
CVE-2026-77492 Windows Storage Port Driver Information Disclosure VulnerabilityStorage Port Driver Important 5.50.4%EoPLocal
KB5122871KB5122876+8
CVE-2026-78454 Windows CD-ROM Driver Information Disclosure VulnerabilityWindows CD-ROM Driver Important 5.50.4%Information DisclosureLocal
KB5122876KB5122878+4
CVE-2026-81964 Windows Update Orchestrator Service Security Feature Bypass VulnerabilityWindows Update Orchestrator Service Important 5.50.3%SFBLocal Fix has a known issue
KB5126646KB5126653+4
CVE-2026-83507 Windows Update Orchestrator Service Information Disclosure VulnerabilityWindows Update Orchestrator Service Important 5.50.5%Information DisclosureLocal Fix has a known issue
KB5126646KB5126653+4
CVE-2026-83565 Windows Encrypting File System (EFS) Information Disclosure VulnerabilityWindows Encrypting File System (EFS) Important 5.50.5%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+6
CVE-2026-83571 Windows Audio Service Information Disclosure VulnerabilityWindows Audio Service Important 5.50.5%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+8
CVE-2026-83657 Windows Modern Device Management (MDM) Tampering VulnerabilityWindows Modern Device Management (MDM) Important 5.50.3%TamperingLocal Fix has a known issue
KB5126651
CVE-2026-83658 Windows Error Reporting Information Disclosure VulnerabilityWindows Error Reporting Important 5.50.3%Information DisclosureLocal Fix has a known issue
KB5126646KB5126651+5

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 14 Nov 02:55 UTC · 274 of 275 readable · 270 fully read · documentation 461/469 current

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