CVE-2026-62827: Microsoft SharePoint Server

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges 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.