NULL pointer dereference in Microsoft Windows and Windows Server - CVE-2026-50315
Published: July 17, 2026
Vulnerability identifier: #VU138010
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50315
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges.
The vulnerability exists due to a null pointer dereference in Windows Image Acquisition when processing crafted local input. A local user can trigger the flaw to escalate privileges.
Successful exploitation could elevate privileges from Medium Integrity Level to Local Service or SYSTEM.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-50315
Install security update from vendor's website.
Microsoft Windows - addressed in versions 11 24H2 10.0.26100.8875, 11 25H2 10.0.26200.8875, 11 26H1 10.0.28000.2269, 11 26H1 10.0.28000.2525
Windows Server - addressed in versions 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158
Windows Server - addressed in versions 2012 R2 6.3.9600.23291, 2025 10.0.26100.33158