Information disclosure in Microsoft Windows and Windows Server - CVE-2026-50508
Published: June 12, 2026
Vulnerability identifier: #VU134446
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50508
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in Windows NTLM. A remote attacker can gain unauthorized access to sensitive information on the system.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2026-50508
Install updates from vendor's website.
Microsoft Windows - addressed in versions 10 1607 10.0.14393.9234, 11 23H2 10.0.22631.7219
Windows Server - addressed in versions 2004 10.0.19045.7417, 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2022 10.0.20348.5256
Windows Server - addressed in versions 2004 10.0.19045.7417, 2012 R2 6.3.9600.23228, 2012 6.2.9200.26132, 2016 10.0.14393.9234, 2022 10.0.20348.5256