CVE-2026-48560: Microsoft SharePoint Server

Medium severity, CVSS 5.4. EPSS: 1.1% chance of exploitation in the next 30 days.

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Affected products

• Microsoft SharePoint Server: before 16.0.19725.20384 (fixed in 16.0.19725.20384); version 2016 only; version 2019 only

Published 2026-06-09. Last modified 2026-07-23.