CVE-2025-53771

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

Score

CVSS 3.1 6.5 Medium

Status

Analyzed - secure@microsoft.com

Published

2025-07-20

Last modified

2026-02-13

Weaknesses

CWE-287

Affected products

• Sharepoint Server (Microsoft)
• Sharepoint Server 2016 (Microsoft)
• Sharepoint Server 2019 (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53771
• https://www.bleepingcomputer.com/news/microsoft/microsoft-sharepoint-zero-day-exploited-in-rce-attacks-no-patch-availab…