CVE-2026-69804: Microsoft SharePoint Server

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Time-of-check time-of-use (toctou) race condition in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Affected products

• Microsoft SharePoint Server: before 16.0.20326.20090 (fixed in 16.0.20326.20090)

Published 2026-09-08. Last modified 2026-09-09.