{"id":"CVE-2026-50508","title":"Windows NTLM Spoofing Vulnerability","summary":"Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-200"],"vendor":"Microsoft","product":"Windows 10 Version 1607","affected":["windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.9234","windows_11_version_22h2 >= 10.0.22621.0 < 10.0.22631.7219","windows_server_2012 >= 6.2.9200.0 < 6.2.9200.26132","windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.26132","windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.23228","windows_server_2012_r2_server_core_installation >= 6.3.9600.0 < 6.3.9600.23228","windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9234","windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.9234","windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5256","windows_server_version_2004 >= 10.0.0 < 10.0.19045.7417"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-09T18:02:47.315449Z"},"published":"2026-06-09","updated":"2026-09-24","sourceUpdated":"2026-09-24T13:44:13.855Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-50508","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50508","label":"Windows NTLM Spoofing Vulnerability"}],"tags":["cve.org"],"epss":0.08678,"epssPercentile":0.9489,"ingestedAt":"2026-09-24T14:44:21.407Z","slug":"CVE-2026-50508","body":"## Overview\n\nExposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.\n\n## Affected\n\n- `windows_10_version_1607 >= 10.0.14393.0 < 10.0.14393.9234`\n- `windows_11_version_22h2 >= 10.0.22621.0 < 10.0.22631.7219`\n- `windows_server_2012 >= 6.2.9200.0 < 6.2.9200.26132`\n- `windows_server_2012_server_core_installation >= 6.2.9200.0 < 6.2.9200.26132`\n- `windows_server_2012_r2 >= 6.3.9600.0 < 6.3.9600.23228`\n- `windows_server_2012_r2_server_core_installation >= 6.3.9600.0 < 6.3.9600.23228`\n- `windows_server_2016 >= 10.0.14393.0 < 10.0.14393.9234`\n- `windows_server_2016_server_core_installation >= 10.0.14393.0 < 10.0.14393.9234`\n- `windows_server_2022 >= 10.0.20348.0 < 10.0.20348.5256`\n- `windows_server_version_2004 >= 10.0.0 < 10.0.19045.7417`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":35.8,"likelihood":1.7,"exploitation":0,"ransomware":0},"changes":[]}