CVE-2026-20951
Microsoft · Published January 13, 2026
7.8
CVSS v3.1
HIGHPatch availableGet patch
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability. Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.
Affected Products
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
- Microsoft SharePoint Server Subscription Edition
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C