CVE-2026-63512: Microsoft SharePoint Server

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to perform tampering over a network.

Affected products

• Microsoft SharePoint Server: before 16.0.19725.20522 (fixed in 16.0.19725.20522); version 2016 only; version 2019 only

Published 2026-08-11. Last modified 2026-08-12.