CVE-2026-50508: Windows NTLM Spoofing Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23228Patch KB5094041 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9234Patch KB5094122 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26132Patch KB5094042 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5256Patch KB5094128 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7417Patch KB5094127 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7219Patch KB5093998
Event History
Frequently Asked Questions
What is the severity of CVE-2026-50508?
CVE-2026-50508 has a medium severity rating of 6.5.
How does CVE-2026-50508 affect users?
CVE-2026-50508 allows unauthorized attackers to perform spoofing over a network, potentially exposing sensitive information.
How do I fix CVE-2026-50508?
To fix CVE-2026-50508, ensure that all applicable security updates for the affected Microsoft Windows products are applied.
Which Microsoft Windows versions are affected by CVE-2026-50508?
CVE-2026-50508 affects Microsoft Windows Server 2012 R2, Windows Server 2016, Windows Server 2012, Windows 11, Windows 10, and Windows Server 2022.
What is the primary attack vector for CVE-2026-50508?
The primary attack vector for CVE-2026-50508 is exposure to unauthorized actors over a network.