CVE-2021-34438

HIGH

Windows 10 and Windows Server 2016/2019 - Remote Code Execution in Font Driver Host

Title source: llm

Windows Font Driver Host Remote Code Execution Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 7.8

EPSS 0.0203

EPSS Percentile 79.0%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Status published

Products (8)

microsoft/windows_10 20h2

microsoft/windows_10 21h1

microsoft/windows_10 1809

microsoft/windows_10 1909

microsoft/windows_10 2004

microsoft/windows_server_2016 20h2

microsoft/windows_server_2016 2004

microsoft/windows_server_2019

Published Jul 16, 2021

Tracked Since Feb 18, 2026