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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

998 matches · most urgent first CSVText
CVE Vulnerability Severity CVSSEPSSImpact StatusFixed by
CVE-2026-78512 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 17 Sep
KB4011160
CVE-2026-78514 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 17 Sep
KB5002923
CVE-2026-78517 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 21 Sep
KB5002923
CVE-2026-78518 Microsoft Office Excel Remote Code Execution VulnerabilityMicrosoft Office Excel Important 8.80.9%RCENetwork Revised 17 Sep
KB5002904KB5002914
CVE-2026-78521 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 17 Sep
KB5002923
CVE-2026-78524 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Important 8.80.8%RCENetwork Revised 16 Oct
KB5002916
CVE-2026-78526 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 21 Sep
KB5002898
CVE-2026-80074 Remote Desktop Client Remote Code Execution VulnerabilityRemote Desktop Client Important 8.80.8%RCENetwork
—
CVE-2026-80077 Remote Desktop Client Remote Code Execution VulnerabilityRemote Desktop Client Important 8.80.8%RCENetwork
—
CVE-2026-80080 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 17 Sep
KB5002923
CVE-2026-80081 Microsoft Office PowerPoint Remote Code Execution VulnerabilityMicrosoft Office PowerPoint Important 8.80.8%RCENetwork
—
CVE-2026-80085 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%RCENetwork Revised 17 Sep
KB5002923
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