CVE-2025-59228: Microsoft SharePoint Server

High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Improper input validation in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Affected products

• Microsoft SharePoint Server: before 16.0.19127.20262 (fixed in 16.0.19127.20262); version 2016 only; version 2019 only

Published 2025-10-14. Last modified 2026-06-17.