CVE-2025-64672 HIGH

CVE-2025-64672: Microsoft SharePoint Server Spoofing Vulnerability

Vendor Microsoft
Product Microsoft SharePoint Server Subscription Edition
Weakness CWE-79 · XSS
Published December 9, 2025
Last update April 16, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 9, 2025 CVE published
April 16, 2026 Record updated

Related vulnerabilities

04Related CVE