CVE-2025-53771 MEDIUM

CVE-2025-53771: Microsoft SharePoint Server Spoofing Vulnerability

Vendor Microsoft
Product Microsoft SharePoint Enterprise Server 2016
Weakness CWE-287 · Improper authentication
Published July 20, 2025
Last update February 13, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

July 20, 2025 CVE published
February 13, 2026 Record updated