{"id":"CVE-2025-48802","aliases":["EUVD-2025-20601","GHSA-32c4-pxr5-p8gv"],"status":"published","title":"Windows SMB Server Spoofing Vulnerability","description":"Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00903,"percentile":0.60065,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2025-07-08T16:57:37Z","modified":"2026-06-17T09:30:19Z","products":[{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 22h3"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2022, 23h2 edition (server core installation)"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2022_23h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48802","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-48802"},{"url":"https://github.com/advisories/GHSA-32c4-pxr5-p8gv"}],"sources":{"cve":[{"id":"CVE-2025-48802","title":"Windows SMB Server Spoofing Vulnerability","description":"Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2025-07-08T16:57:37.352Z","modified":"2026-02-13T19:07:12.598Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:32:41.41198Z"}],"euvd":[{"id":"EUVD-2025-20601","description":"Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2025-07-08T16:57:37Z","modified":"2026-02-13T19:07:12Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T19:48:39.538725Z"}],"ghsa":[{"id":"GHSA-32c4-pxr5-p8gv","title":"Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing...","description":"Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2025-07-08T18:31:45Z","modified":"2025-07-08T18:31:50Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:02:57.125914Z"}],"nvd":[{"id":"CVE-2025-48802","description":"Improper certificate validation in Windows SMB allows an authorized attacker to perform spoofing over a network.","status":"published","published":"2025-07-08T17:15:43.13Z","modified":"2026-06-17T09:30:19.33Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:11:17.727956Z"}]}}