CVE-2025-64672

Microsoft SharePoint Server Spoofing Vulnerability

CVE-2025-64672 is fixed in Microsoft SharePoint Server Subscription Edition on 1 platform by KB5002815 (version ), released December 9, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

8.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0102

63rd percentile

<p>Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Microsoft SharePoint Server Subscription Edition		KB5002815	Dec 9, 2025

Details

Published
December 9, 2025
Weakness
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64672

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