Security update fixing 18 CVEs

0Windows versions
18CVEs fixed · 5 critical
0Exploited or in CISA KEV
0Open known issues affecting it
—Restart required (per MSRC)

Known issues in this update

Windows release health

No known issues listed

Windows release health lists no issues from this KB or the update it builds on.

Issues this update resolves

No resolved issues listed

Windows release health names no issues fixed by this KB.

Security fixes

18 Microsoft CVEs · most urgent first
CVE Vulnerability Severity CVSSEPSSImpact Status
CVE-2026-69285 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 8.80.8%Remote Code Execution
CVE-2026-78505 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Critical 8.80.8%Remote Code Execution Revised 17 Sep
CVE-2026-81952 Microsoft Word Remote Code Execution VulnerabilityMicrosoft Office Word Critical 8.80.8%Remote Code Execution Revised 17 Sep
CVE-2026-81955 Windows Graphics Component Remote Code Execution VulnerabilityMicrosoft Graphics Component Critical 8.80.8%Remote Code Execution Revised 17 Sep
CVE-2026-78510 Microsoft Outlook and Word Remote Code Execution VulnerabilityMicrosoft Office Critical 8.40.3%Remote Code Execution Revised 25 Sep
CVE-2026-69442 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Important 8.80.8%Remote Code Execution
CVE-2026-69764 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 8.80.8%Remote Code Execution
CVE-2026-78524 Microsoft Office Remote Code Execution VulnerabilityMicrosoft Office Important 8.80.8%Remote Code Execution Revised 21 Sep
CVE-2026-64918 Microsoft Office Spoofing VulnerabilityMicrosoft Office Important 6.50.9%Spoofing
CVE-2026-69626 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 6.50.9%Information Disclosure Revised 17 Sep
CVE-2026-69734 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 6.50.9%Information Disclosure Revised 17 Sep
CVE-2026-69739 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 6.50.9%Information Disclosure Revised 17 Sep
CVE-2026-72974 Microsoft Office Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 6.50.9%Information Disclosure Revised 17 Sep
CVE-2026-78515 Microsoft Office Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 6.50.9%Information Disclosure Revised 17 Sep
CVE-2026-80087 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 6.50.9%Information Disclosure Revised 17 Sep
CVE-2026-80088 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 6.50.9%Information Disclosure Revised 17 Sep
CVE-2026-80089 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 6.50.9%Information Disclosure Revised 17 Sep
CVE-2026-80091 Microsoft Office Information Disclosure VulnerabilityMicrosoft Office Important 6.50.9%Information Disclosure Revised 17 Sep
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