CVE-2021-27085: Microsoft Internet Explorer Remote Code Execution Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 5.4% chance of exploitation in the next 30 days.

Internet Explorer Remote Code Execution Vulnerability

Affected products

• Microsoft Internet Explorer: version 11 only

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