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Security

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

October 2026: 1474 CVEs · 94 critical · 1 exploited · 1 in CISA KEV

Act first · November 2026

Exploited, KEV-listed, or publicly disclosed
CVE-2026-124194ModerateExploitedCISA KEV · due 24 NovSpoofingNetwork
Microsoft Outlook Spoofing Vulnerability
CVSS 6.5 No KB listed
Patch next · critical, "exploitation more likely", or top 5% EPSS · needs an update98
CVSS 8.8 KB5133453
Showing 3 of 98All critical

CVEs · November 2026

744 matches in Windows · most urgent first CSVText
CVE Vulnerability Severity CVSSImpact StatusFixed by
CVE-2026-105509 Windows Resilient File System (ReFS) Elevation of Privilege VulnerabilityWindows Resilient File System (ReFS) Important 7.0EoPLocal
KB5132059
CVE-2026-105510 Windows Secure Socket Tunneling Protocol (SSTP) Elevation of Privilege VulnerabilityWindows Secure Socket Tunneling Protocol (SSTP) Important 7.0EoPLocal
KB5131077KB5131080+8
CVE-2026-105511 Windows Point-to-Point Protocol over Ethernet (PPPoE) Elevation of Privilege VulnerabilityWindows Point-to-Point Protocol over Ethernet (PPPoE) Important 7.0EoPLocal
KB5131077KB5131080+8
CVE-2026-105513 Windows Kernel Elevation of Privilege VulnerabilityWindows Kernel Important 7.0EoPLocal
KB5131077KB5131080+8
CVE-2026-105522 Winlogon Elevation of Privilege VulnerabilityWinlogon Important 7.0EoPLocal
KB5131077KB5131080+7
CVE-2026-105525 Windows Network Connection Broker Elevation of Privilege VulnerabilityWindows Network Connection Broker Important 7.0EoPLocal
KB5131077KB5131080+8
CVE-2026-105526 Winsock Elevation of Privilege VulnerabilityWinsock Important 7.0EoPLocal
KB5131077KB5131080+8
CVE-2026-105529 Windows Storage Elevation of Privilege VulnerabilityWindows Storage Important 7.0EoPLocal
KB5131077KB5131080+8
CVE-2026-105533 Windows COM Elevation of Privilege VulnerabilityWindows COM Important 7.0EoPLocal
KB5131077KB5131080+8
CVE-2026-105540 Windows Error Reporting Elevation of Privilege VulnerabilityWindows Error Reporting Important 7.0EoPLocal
KB5131077KB5131080+8
CVE-2026-105545 Windows Installer Elevation of Privilege VulnerabilityWindows Installer Important 7.0EoPLocal
KB5126646KB5126651+8
CVE-2026-105546 Windows Management Instrumentation Elevation of Privilege VulnerabilityWindows Management Instrumentation Important 7.0EoPLocal
KB5131077KB5131080+8
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 10:01 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current