CVE-2026-97774: Microsoft 365 Apps

High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days.

Time-of-check time-of-use (toctou) race condition in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

Affected products

• Microsoft 365 Apps: affected versions not specified

Published 2026-10-13. Last modified 2026-10-15.