CVE-2025-53771

Microsoft SharePoint Server Spoofing Vulnerability

CVE-2025-53771 is fixed in 3 products on 1 platform, first by KB5002760, released July 20, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

6.5

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.9989

99th percentile

<p>Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.</p>

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft SharePoint Enterprise Server 2016	KB5002760	Jul 20, 2025
Microsoft SharePoint Enterprise Server 2016	KB5002759	Jul 20, 2025
Microsoft SharePoint Server 2019	KB5002753	Jul 20, 2025
Microsoft SharePoint Server 2019	KB5002754	Jul 20, 2025
Microsoft SharePoint Server Subscription Edition	KB5002768	Jul 20, 2025

Details

Published
July 20, 2025
Weakness
Improper Authentication
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53771

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