CVE-2021-42296: Microsoft 365 Apps

High severity, CVSS 7.8. EPSS: 1.1% 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 Long Term Servicing Channel: version 2021 only

Published 2021-11-10. Last modified 2026-08-19.