CVE-2021-34486: Windows Event Tracing Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.8)

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-Aug

Released

2021-08-10

Last Updated

2021-08-12

EPSS Score

34.37% (percentile: 97.0%)

CISA KEV

Listed — due 2022-04-18

Known Exploits (1)

• Microsoft Windows Event Tracing Privilege Escalation Vulnerability — added 2021-10-12T03:50:44Z

Detection & Weaponization (1 sources)

Maturity: Exploit

• GitHub PoC: 2 repositories

Affected Products (19)

Other

• 11568
• 11569
• 11570
• 11571
• 11572
• 11712
• 11713
• 11714
• 11896
• 11897
• 11898
• 11766
• 11767
• 11768
• 11769
• 11800
• 11801
• 11802
• 11803

Security Updates (3)

• 5005030
• 5005031
• 5005033

Acknowledgments

Yong Chuan Koh (<a href="https://twitter.com/yongchuank">@yongchuank</a>)

Revision History

• 2021-08-10: Information published.
• 2021-08-12: Updated information to include CVSS scores. This is an informational change only.