CVE-2025-21400: Microsoft SharePoint Server

High severity, CVSS 8.0. EPSS: 34.5% chance of exploitation in the next 30 days.

Microsoft SharePoint Server Remote Code Execution Vulnerability

Affected products

• Microsoft SharePoint Server: before 16.0.17928.20396 (fixed in 16.0.17928.20396); version 2016 only; version 2019 only

Published 2025-02-11. Last modified 2026-06-17.