Unrated severityNVD Advisory· Published Jul 20, 2025· Updated Feb 13, 2026
Microsoft SharePoint Server Spoofing Vulnerability
CVE-2025-53771
Description
Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Affected products
4- Microsoft/Microsoft SharePoint Enterprise Server 2016v5Range: 16.0.0
- Microsoft/Microsoft SharePoint Server 2019v5Range: 16.0.0
- Microsoft/Microsoft SharePoint Server Subscription Editionv5Range: 16.0.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53771mitrevendor-advisorypatch
News mentions
1- Ransomware Tactics, Techniques, and Procedures in a Shifting Threat LandscapeMandiant Threat Intelligence · Mar 16, 2026