CVE-2026-80081: Microsoft 365 Apps

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.

Affected products

• Microsoft 365 Apps: affected versions not specified

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