CVE-2025-59221

Microsoft Word Remote Code Execution Vulnerability

CVE-2025-59221 is fixed in 4 products on 1 platform, first by KB5002788, released October 14, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.0

Important

Exploitation

None reported

Exploitation Unlikely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0039

33rd percentile

<p>Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.</p>

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft SharePoint Enterprise Server 2016	KB5002788	Oct 14, 2025
Microsoft SharePoint Enterprise Server 2016	KB5002787	Oct 14, 2025
Microsoft SharePoint Server 2019	KB5002796	Oct 14, 2025
Microsoft SharePoint Server 2019	KB5002798	Oct 14, 2025
Microsoft Word 2016 (32-bit edition)	KB5002789	Oct 14, 2025
Microsoft Word 2016 (64-bit edition)	KB5002789	Oct 14, 2025

Details

Published
October 14, 2025
Weakness
Use After Free
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59221

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