CVE-2021-26876

Published: Mar 11, 2021Modified: Aug 19, 2026

8.8

Vector

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

Exploitability: 2.8 / Impact: 5.9

Source: NVD (Secondary)

Description

OpenType Font Parsing Remote Code Execution Vulnerability

Affected (9)

Products: Microsoft: Windows 10, Windows Server 2016

2 products

Windows Server 2016

Configuration A

9 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10	Version 1803
Microsoft Windows 10	Version 1809
Microsoft Windows 10	Version 1909
Microsoft Windows 10	Version 2004
Microsoft Windows 10	Version 20h2
Microsoft Windows Server 2016	Version 1909
Microsoft Windows Server 2016	Version 2004
Microsoft Windows Server 2016	Version 2019
Microsoft Windows Server 2016	Version 20h2

References (2)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26876

Source: secure@microsoft.com

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26876

Source: af854a3a-2127-422b-91ae-364da2661108

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