CVE-2021-34452: Microsoft 365 Apps

High severity, CVSS 7.8. EPSS: 2.2% chance of exploitation in the next 30 days.

Microsoft Word Remote Code Execution Vulnerability

Affected products

• Microsoft 365 Apps: affected versions not specified
• Microsoft Office: version 2019 only
• Microsoft Word: version 2016 only

Published 2021-07-16. Last modified 2026-08-10.