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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-2026-69405 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 5.70.6%DoSAdjacent Revised 11 Sep
KB5122871KB5122876+4
CVE-2026-69416 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 5.70.6%DoSAdjacent Revised 15 Sep
KB5122871KB5122876+4
CVE-2026-69569 Windows Print Spooler Components Denial of Service VulnerabilityWindows Print Spooler Components Important 5.70.9%DoSNetwork
KB5122871KB5122876+8
CVE-2026-69637 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 5.70.6%DoSAdjacent Revised 24 Sep
KB5122871KB5122876+4
CVE-2026-69679 Windows DHCP Server Denial of Service VulnerabilityWindows DHCP Server Important 5.70.6%DoSAdjacent
KB5122871KB5122876+4
CVE-2026-70575 Windows Schannel Denial of Service VulnerabilityWindows Schannel Important 5.31.0%DoSNetwork
KB5122871KB5122880+3
CVE-2026-72931 Windows Secure Socket Tunneling Protocol (SSTP) Denial of Service VulnerabilityWindows Secure Socket Tunneling Protocol (SSTP) Important 4.70.3%DoSLocal
KB5122871KB5122876+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 11:03 UTC · 264 of 275 readable · 263 fully read · documentation 469/469 current