CVE-2025-21344

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2025-21344 is fixed in 3 products on 1 platform, first by KB5002672, released January 14, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0088

59th percentile

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft SharePoint Enterprise Server 2016	KB5002672	Jan 14, 2025
Microsoft SharePoint Enterprise Server 2016	KB5002671	Jan 14, 2025
Microsoft SharePoint Server 2019	KB5002667	Jan 14, 2025
Microsoft SharePoint Server 2019	KB5002666	Jan 14, 2025
Microsoft SharePoint Server Subscription Edition	KB5002676	Jan 14, 2025

Details

Published
January 14, 2025
Weakness
Improper Input Validation
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21344

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