CVE-2026-32201: Microsoft SharePoint Server Improper Input Validation Vulnerability

Medium severity, CVSS 6.5. Actively exploited: in CISA KEV since 2026-04-14. EPSS: 43.4% chance of exploitation in the next 30 days.

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Affected products

• Microsoft SharePoint Server: before 16.0.19725.20210 (fixed in 16.0.19725.20210); version 2016 only; version 2019 only

Published 2026-04-14. Last modified 2026-06-17.