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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

55 matches · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-57099 ASP.NET Core Denial of Service VulnerabilityASP.NET Core Important 7.51.2%DoSNetwork Revised 22 Sep
—
CVE-2026-66307 Skype for Business and Lync Denial of Service VulnerabilitySkype for Business Important 7.51.2%DoSNetwork
KB5123287KB5123300+1
CVE-2026-67376 Microsoft SQL Server Denial of Service VulnerabilitySQL Server Important 7.51.2%DoSNetwork
KB5122768KB5122769+6
CVE-2026-68887 Windows Message Queuing Queue Manager Denial of Service VulnerabilityWindows Message Queuing Queue Manager Important 7.51.2%DoSNetwork
KB5122871KB5122876+8
CVE-2026-69329 BranchCache Denial of Service VulnerabilityBranchCache Important 7.51.2%DoSNetwork
KB5122871KB5122876+8
CVE-2026-69342 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 7.51.2%DoSNetwork
KB5122871KB5122876+4
CVE-2026-69378 Microsoft Exchange Server Denial of Service VulnerabilityMicrosoft Exchange Server Important 7.51.2%DoSNetwork
KB5121608KB5121609+2
CVE-2026-69428 Windows LDAP - Lightweight Directory Access Protocol Denial of Service VulnerabilityWindows LDAP - Lightweight Directory Access Protocol Important 7.51.2%DoSNetwork
KB5122871KB5122876+8
CVE-2026-69587 Windows Internet Key Exchange (IKE) Extension Denial of Service VulnerabilityWindows IKE Extension Important 7.51.2%DoSNetwork
KB5122871KB5122880+3
CVE-2026-69588 Windows TCP/IP Denial of Service VulnerabilityWindows TCP/IP Important 7.51.2%DoSNetwork
KB5122871KB5122880+3
CVE-2026-69631 Windows DNS Denial of Service VulnerabilityWindows DNS Important 7.51.2%DoSNetwork
KB5122871KB5122876+4
CVE-2026-69744 Windows Kerberos Denial of Service VulnerabilityWindows Kerberos Important 7.51.2%DoSNetwork Revised 4 Nov
KB5122871KB5124008
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