{"id":"CVE-2025-54101","aliases":["EUVD-2025-27366","GHSA-9g8m-5597-853j"],"status":"published","title":"Windows SMB Client Remote Code Execution Vulnerability","description":"Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0323,"percentile":0.88436,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2025-09-09T17:00:48Z","modified":"2026-06-17T09:39:26Z","products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"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 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2022, 23h2 edition (server core installation)"},{"vendor":"microsoft","product":"windows_10_1507"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2022_23h2"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54101","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-54101-detection-script-remote-code-execution-vulnerability-affecting-windows-smbv3"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-54101-mitigation-script-remote-code-execution-vulnerability-affecting-windows-smbv3"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54101"},{"url":"https://github.com/advisories/GHSA-9g8m-5597-853j"}],"sources":{"cve":[{"id":"CVE-2025-54101","title":"Windows SMB Client Remote Code Execution Vulnerability","description":"Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.","status":"published","published":"2025-09-09T17:00:48.406Z","modified":"2026-02-20T16:00:14.342Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:32:27.603809Z"}],"euvd":[{"id":"EUVD-2025-27366","description":"Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.","status":"published","published":"2025-09-09T17:00:48Z","modified":"2026-02-20T16:00:14Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T19:48:36.672162Z"}],"ghsa":[{"id":"GHSA-9g8m-5597-853j","title":"Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.","description":"Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.","status":"published","published":"2025-09-09T18:31:20Z","modified":"2025-10-17T18:32:10Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:04:01.2384Z"}],"nvd":[{"id":"CVE-2025-54101","description":"Use after free in Windows SMBv3 Client allows an authorized attacker to execute code over a network.","status":"published","published":"2025-09-09T17:15:54.513Z","modified":"2026-06-17T09:39:26.25Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:11:27.73916Z"}]}}