CVE-2021-27059: Microsoft Office Remote Code Execution Vulnerability

High severity, CVSS 7.6. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 6.1% chance of exploitation in the next 30 days.

Microsoft Office Remote Code Execution Vulnerability

Affected products

• Microsoft Office: version 2010 only; version 2013 only
• Microsoft Office 2016: affected versions not specified

Published 2021-03-11. Last modified 2026-08-19.