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6.5 Medium

CVE-2026-50508 Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform…

Description

Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

Affected products and versions

Product	Affected versions	Fixed in
Windows 10 Version 1607 10.0	10.0.14393.0 → < 10.0.14393.9234	10.0.14393.9234
Windows 11 version 22H2 10.0	10.0.22621.0 → < 10.0.22631.7219	10.0.22631.7219
Windows Server 2012 6.2	6.2.9200.0 → < 6.2.9200.26132	6.2.9200.26132
Windows Server 2012 (Server Core installation) 6.2	6.2.9200.0 → < 6.2.9200.26132	6.2.9200.26132
Windows Server 2012 R2 6.3	6.3.9600.0 → < 6.3.9600.23228	6.3.9600.23228
Windows Server 2012 R2 (Server Core installation) 6.3	6.3.9600.0 → < 6.3.9600.23228	6.3.9600.23228
Windows Server 2016 10.0	10.0.14393.0 → < 10.0.14393.9234	10.0.14393.9234
Windows Server 2016 (Server Core installation) 10.0	10.0.14393.0 → < 10.0.14393.9234	10.0.14393.9234
Windows Server 2022 10.0	10.0.20348.0 → < 10.0.20348.5256	10.0.20348.5256

Show the other branch

Product	Affected versions	Fixed in
Windows Server version 2004 10.0	10.0.0 → < 10.0.19045.7417	10.0.19045.7417

References

Windows NTLM Spoofing Vulnerability msrc.microsoft.com

Timeline

Published June 9, 2026
Last modified September 24, 2026

The 4535 CVEs of Windows 10 Version 1607 →

CVE-2026-108136 Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally 7.8 High CVE-2026-108132 Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally 7.0 High CVE-2026-108129 Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network 6.5 Medium CVE-2026-108131 No cwe for this issue in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform… 7.5 High

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