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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

27 matches in Microsoft Office · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-66302 Skype for Business Remote Code Execution VulnerabilitySkype for Business Critical 9.81.0%RCENetwork
KB5123287KB5123300+1
CVE-2026-78509 Microsoft Office Outlook Remote Code Execution VulnerabilityMicrosoft Office Outlook Critical 9.81.0%RCENetwork Revised 17 Sep
KB5002923
CVE-2026-69285 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 8.80.8%RCENetwork
KB5002916
CVE-2026-69499 Windows Imaging Component Remote Code Execution VulnerabilityWindows Imaging Component Critical 8.80.8%RCENetwork Revised 28 Oct
KB5122871KB5122876+8
CVE-2026-69632 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 8.80.8%RCENetwork Revised 17 Sep
—
CVE-2026-69678 Microsoft Office PowerPoint Remote Code Execution VulnerabilityMicrosoft Office PowerPoint Critical 8.80.8%RCENetwork Revised 17 Sep
KB5002920
CVE-2026-69767 Microsoft Office PowerPoint Remote Code Execution VulnerabilityMicrosoft Office PowerPoint Critical 8.80.8%RCENetwork Revised 10 Nov
KB5002920
CVE-2026-69797 Microsoft Office PowerPoint Remote Code Execution VulnerabilityMicrosoft Office PowerPoint Critical 8.80.8%RCENetwork Revised 17 Sep
KB5002920
CVE-2026-73013 Windows Imaging Component Remote Code Execution VulnerabilityWindows Imaging Component Critical 8.80.8%RCENetwork Revised 28 Oct
KB5122871KB5122876+8
CVE-2026-78439 Microsoft Office Graphics Component Remote Code Execution VulnerabilityMicrosoft Graphics Component Critical 8.80.8%RCENetwork Revised 17 Sep
—
CVE-2026-78505 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 8.80.8%RCENetwork Revised 17 Sep
KB5002916
CVE-2026-78519 Microsoft Office Outlook Remote Code Execution VulnerabilityMicrosoft Office Outlook Critical 8.80.8%RCENetwork
KB5002919
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 10 Nov 23:48 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current