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CVE-2021-34486

Windows Event Tracing Elevation of Privilege Vulnerability

Basic Information

CVE State
PUBLISHED
Reserved Date
June 09, 2021
Published Date
August 12, 2021
Last Updated
February 04, 2025
Vendor
Microsoft
Product
Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows 10 Version 1909, Windows 10 Version 21H1, Windows 10 Version 2004, Windows Server version 2004, Windows 10 Version 20H2, Windows Server version 20H2
Description
Windows Event Tracing Elevation of Privilege Vulnerability
Tags
windows cisa microsoft

CVSS Scores

CVSS v3.1

7.8 - HIGH

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

SSVC Information

Exploitation
active
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2022-03-28 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2021-10-12 03:50:44 UTC) Source

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34486

Known Exploited Vulnerability Information

Source Added Date
CISA 2022-03-28 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

KaLendsi/CVE-2021-34486

Type: github • Created: 2021-10-12 03:50:44 UTC • Stars: 50

Windows Etw LPE

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Proof of Concept Exploit Available

  • Added to KEVIntel