{"id":"CVE-2025-21217","published":"2025-01-14T18:04:13Z","modified":"2026-06-09T18:29:26Z","title":"Windows NTLM Spoofing Vulnerability","vendor":"Microsoft","product":"Windows 10 Version 1507","tier":"tail","description":{"text":"Windows NTLM Spoofing Vulnerability","provenance":"source","from":"CVE.org"},"cvss":{"score":6.5,"severity":"MEDIUM","version":"3.1","vector":"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","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.01975,"percentile":0.80414,"provenance":"source"},"cwes":[{"id":"CWE-693","name":"Protection Mechanism Failure"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21217","tags":["vendor-advisory","patch"]}],"priority":{"score":20.6,"factors":[{"name":"EPSS percentile","points":16.08},{"name":"CVSS severity","points":4.55}]},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Windows 10 Version 1507","versions":[">= 10.0.10240.0, < 10.0.10240.20890"]},{"vendor":"Microsoft","product":"Windows 10 Version 1607","versions":[">= 10.0.14393.0, < 10.0.14393.7699"]},{"vendor":"Microsoft","product":"Windows 10 Version 1809","versions":[">= 10.0.17763.0, < 10.0.17763.6775"]},{"vendor":"Microsoft","product":"Windows 10 Version 21H2","versions":[">= 10.0.19044.0, < 10.0.19044.5371"]},{"vendor":"Microsoft","product":"Windows 10 Version 22H2","versions":[">= 10.0.19045.0, < 10.0.19045.5371"]},{"vendor":"Microsoft","product":"Windows 11 version 22H2","versions":[">= 10.0.22621.0, < 10.0.22621.4751"]},{"vendor":"Microsoft","product":"Windows 11 version 22H3","versions":[">= 10.0.22631.0, < 10.0.22631.4751"]},{"vendor":"Microsoft","product":"Windows 11 Version 23H2","versions":[">= 10.0.22631.0, < 10.0.22631.4751"]},{"vendor":"Microsoft","product":"Windows 11 Version 24H2","versions":[">= 10.0.26100.0, < 10.0.26100.2894"]},{"vendor":"Microsoft","product":"Windows Server 2008 R2 Service Pack 1","versions":[">= 6.1.7601.0, < 6.1.7601.27520"]}],"euvd":{"id":"EUVD-2025-2286","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-693"}}