CVE-2021-34487

Published: Aug 12, 2021Modified: Aug 10, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD (Secondary)

Description

Windows Event Tracing Elevation of Privilege Vulnerability

Affected (10)

Products: Microsoft: Windows 10, Windows Server 2016, Windows Server 2019

3 products

Windows Server 2016

Windows Server 2019

Configuration A

10 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10	Version 1607
Microsoft Windows 10	Version 1809
Microsoft Windows 10	Version 1909
Microsoft Windows 10	Version 2004
Microsoft Windows 10	Version 20h2
Microsoft Windows 10	Version 21h1
Microsoft Windows Server 2016	All versions
Microsoft Windows Server 2016	Version 2004
Microsoft Windows Server 2016	Version 20h2
Microsoft Windows Server 2019	All versions

Related CWEs

Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

References (2)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34487

Source: secure@microsoft.com

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34487

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

PatchVendor Advisory

Timeline

No history available yet.