NULL pointer dereference in Microsoft Windows and Windows Server - CVE-2025-29838
Published: May 13, 2025
Vulnerability identifier: #VU109093
CSH Severity: Low
CVSS v4: 7.5 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-29838
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to escalate privileges on the system.
The vulnerability exists due to a NULL pointer dereference error in Windows ExecutionContext Driver. A local attacker can pass specially crafted data to the application and gain elevated privileges on the target system.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2025-29838
Install update from vendor's website.
Microsoft Windows - addressed in versions 10 1607 10.0.14393.8066, 11 24H2 10.0.26100.3981, 11 24H2 10.0.26100.4061
Windows Server - addressed in versions 2012 R2 6.3.9600.22577, 2025 10.0.26100.3981, 2025 10.0.26100.4061
Windows Server - addressed in versions 2012 R2 6.3.9600.22577, 2025 10.0.26100.3981, 2025 10.0.26100.4061