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Description

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

PUBLISHED Reserved 2026-06-04 | Published 2026-06-09 | Updated 2026-06-10 | Assigner microsoft




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Problem types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Product status

10.0.14393.0 (custom) before 10.0.14393.9234
affected

10.0.22621.0 (custom) before 10.0.22631.7219
affected

6.2.9200.0 (custom) before 6.2.9200.26132
affected

6.2.9200.0 (custom) before 6.2.9200.26132
affected

6.3.9600.0 (custom) before 6.3.9600.23228
affected

6.3.9600.0 (custom) before 6.3.9600.23228
affected

10.0.14393.0 (custom) before 10.0.14393.9234
affected

10.0.14393.0 (custom) before 10.0.14393.9234
affected

10.0.20348.0 (custom) before 10.0.20348.5256
affected

10.0.0 (custom) before 10.0.19045.7417
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50508 (Windows NTLM Spoofing Vulnerability) vendor-advisory patch

cve.org (CVE-2026-50508)

nvd.nist.gov (CVE-2026-50508)

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