CVE-2025-29838: Windows ExecutionContext Driver Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.4)

CVSS Vector

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

Unlikely

Patch Tuesday

2025-May

Released

2025-05-13

EPSS Score

0.32% (percentile: 55.5%)

Description

Null pointer dereference in Windows Drivers allows an unauthorized attacker to elevate privileges locally.

FAQ

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 a mappable null page. What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Affected Products (4)

Windows

• Windows Server 2025 (Server Core installation)
• Windows 11 Version 24H2 for ARM64-based Systems
• Windows 11 Version 24H2 for x64-based Systems
• Windows Server 2025

Security Updates (2)

• 5058411
• 5058497

Acknowledgments

<a href="https://linkedin.com/in/jongseongkim">Jongseong Kim (nevul37)</a> with <a href="https://www.enki.co.kr/">Ajou University, and working at ENKI WhiteHat</a>, <a href="https://linkedin.com/in/kdj-abysslab">Dongjun Kim (smlijun)</a> with <a href="https://www.enki.co.kr/">Ajou University, and working at ENKI WhiteHat</a>

Revision History

• 2025-05-13: Information published.