CVE-2025-21393: Microsoft SharePoint Server

Medium severity, CVSS 6.3. EPSS: 1.1% chance of exploitation in the next 30 days.

Microsoft SharePoint Server Spoofing Vulnerability

Affected products

• Microsoft SharePoint Server: before 16.0.17928.20356 (fixed in 16.0.17928.20356); version 2016 only; version 2019 only

Published 2025-01-14. Last modified 2026-06-17.