Improper access control in Windows and Windows Server - CVE-2026-50325
Published: July 17, 2026
Vulnerability identifier: #VU137987
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-50325
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges.
The vulnerability exists due to improper access control in Windows Win32K when handling local operations. A local user can exploit the access control flaw to escalate privileges.
Successful exploitation requires preparation of the target environment to improve exploit reliability.
How to mitigate CVE-2026-50325
Install security update from vendor's website.