CVE-2021-34489

HIGH

Windows 10 and Windows Server 2016/2019 - Remote Code Execution in DirectWrite

Title source: llm

DirectWrite Remote Code Execution Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 7.8

EPSS 0.0226

EPSS Percentile 81.2%

Attack Vector LOCAL

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

Status published

Products (9)

microsoft/windows_10

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 14, 2021

Tracked Since Feb 18, 2026