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KB5002901

Security update fixing 17 CVEs

Support article Update Catalog CVEs in Security CVE list for a ticket
0Windows versions
17CVEs fixed · 2 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

17 Microsoft CVEs · most urgent first
CVE Vulnerability Severity CVSSEPSSImpact Status
CVE-2026-63525 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Critical 7.80.5%Remote Code Execution
CVE-2026-64907 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Critical 7.80.5%Remote Code Execution
CVE-2026-63527 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 7.80.5%Remote Code Execution
CVE-2026-64905 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 7.80.5%Remote Code Execution
CVE-2026-64915 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 7.80.5%Remote Code Execution
CVE-2026-70311 Microsoft Office Word Remote Code Execution VulnerabilityMicrosoft Office Word Important 7.80.5%Remote Code Execution
CVE-2026-70105 Microsoft Word Information Disclosure VulnerabilityMicrosoft Office Word Important 6.51.0%Information Disclosure
CVE-2026-63521 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.4%Information Disclosure Revised 24 Sep
CVE-2026-63528 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.5%Information Disclosure
CVE-2026-63530 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.5%Information Disclosure
CVE-2026-63531 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.5%Information Disclosure
CVE-2026-64917 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.5%Information Disclosure
CVE-2026-66806 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.4%Information Disclosure
CVE-2026-66809 Microsoft Office Graphics Component Information Disclosure VulnerabilityMicrosoft Office Important 5.50.4%Information Disclosure Revised 17 Sep
CVE-2026-66810 Microsoft Office Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.4%Information Disclosure
CVE-2026-70310 Microsoft Word Information Disclosure VulnerabilityMicrosoft Office Word Important 5.50.4%Information Disclosure
CVE-2026-70318 Microsoft Excel Information Disclosure VulnerabilityMicrosoft Office Excel Important 5.50.5%Information Disclosure
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