Improper privilege management in Microsoft Windows and Windows Server - CVE-2026-50295
Published: July 17, 2026
Vulnerability identifier: #VU137989
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50295
CWE-ID: CWE-269
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to bypass Zero Trust DNS policy enforcement.
The vulnerability exists due to improper privilege management in Windows DNS when enforcing Zero Trust DNS policies locally. A local user can exploit the privilege management flaw to bypass Zero Trust DNS policy enforcement.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-50295
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