CVE-2026-26105 HIGH

CVE-2026-26105: Microsoft SharePoint Server Spoofing Vulnerability

Vendor Microsoft
Product Microsoft SharePoint Enterprise Server 2016
Weakness CWE-79 · XSS
Published March 10, 2026
Last update April 14, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/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 unauthorized attacker to perform spoofing over a network.

Key dates

02Disclosure timeline

March 10, 2026 CVE published
April 14, 2026 Record updated