CVE-2024-26236: Windows Update Stack Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7)

CVSS Vector

CVSS:3.1/AV:L/AC:H/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

2024-Apr

Released

2024-04-09

Last Updated

2024-06-26

EPSS Score

0.28% (percentile: 51.9%)

FAQ

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, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition.

Affected Products (1)

Windows

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

Security Updates (1)

• 5036910

Acknowledgments

Emma Kirkpatrick (<a href=https://twitter.com/carrot_c4k3>@carrot_c4k3</a>), <a href="https://twitter.com/ezrak1e">ziming zhang</a> with Ant Security Light-Year Lab

Revision History

• 2024-04-09: Information published.
• 2024-06-26: Updated acknowledgment. This is an informational change only.