CVE-2021-26876: Microsoft Windows 10

High severity, CVSS 8.8. EPSS: 2.9% chance of exploitation in the next 30 days.

OpenType Font Parsing Remote Code Execution Vulnerability

Affected products

• Microsoft Windows 10: version 20h2 only; version 1803 only; version 1809 only; version 1909 only; version 2004 only
• Microsoft Windows Server 2016: version 20h2 only; version 1909 only; version 2004 only; version 2019 only

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