CVE-2021-27091: Microsoft Windows 7

High severity, CVSS 7.8. EPSS: 0.6% chance of exploitation in the next 30 days.

RPC Endpoint Mapper Service Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 7: affected versions not specified
• Microsoft Windows Server 2008: version r2 only
• Microsoft Windows Server 2012: affected versions not specified

Published 2021-04-13. Last modified 2026-06-17.