CVE-2024-21345: Windows Kernel Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 8.8)

CVSS Vector

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

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

More Likely

Patch Tuesday

2024-Feb

Released

2024-02-13

Last Updated

2024-06-26

EPSS Score

31.93% (percentile: 96.8%)

FAQ

How could an attacker exploit this vulnerability? An authenticated attacker could run a specially crafted application that would give them control of the targeted destination and source of the copy. What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges. According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? This vulnerability could lead to a contained execution environment escape. Please refer to AppContainer Isolation for more information.

Detection & Weaponization (1 sources)

Maturity: Exploit

• GitHub PoC: 2 repositories

Affected Products (1)

Windows

• Windows Server 2022, 23H2 Edition (Server Core installation)

Security Updates (1)

• 5034769

Acknowledgments

Emma Kirkpatrick (<a href=https://twitter.com/carrot_c4k3>@carrot_c4k3</a>)

Revision History

• 2024-02-13: Information published.
• 2024-06-26: Updated acknowledgment. This is an informational change only.