CVE-2020-1355: Microsoft Windows 10

High severity, CVSS 7.8. EPSS: 4.1% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles memory.An attacker who successfully exploited the vulnerability would gain execution on a victim system.The security update addresses the vulnerability by correcting how the Windows Font Driver Host handles memory., aka 'Windows Font Driver Host Remote Code Execution Vulnerability'.

Affected products

• Microsoft Windows 10: version 1903 only; version 1909 only; version 2004 only
• Microsoft Windows Server 2016: version 1903 only; version 1909 only; version 2004 only

Published 2020-07-14. Last modified 2026-06-17.