CVE-2026-54108: Microsoft SharePoint Server

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

External control of file name or path in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Affected products

• Microsoft SharePoint Server: before 16.0.19725.20434 (fixed in 16.0.19725.20434); version 2016 only; version 2019 only

Published 2026-07-14. Last modified 2026-07-15.