{"id":"CVE-2025-33071","aliases":["EUVD-2025-17772","GHSA-q86x-v28r-5px8"],"status":"published","title":"Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability","description":"Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.2337,"percentile":0.97801,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2025-06-10T17:02:26Z","modified":"2026-06-17T09:13:03Z","products":[{"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 server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"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"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33071","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-33071"},{"url":"https://github.com/advisories/GHSA-q86x-v28r-5px8"}],"sources":{"cve":[{"id":"CVE-2025-33071","title":"Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability","description":"Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2025-06-10T17:02:26.146Z","modified":"2026-02-26T17:50:55.321Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:32:52.526476Z"}],"euvd":[{"id":"EUVD-2025-17772","description":"Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2025-06-10T17:02:26Z","modified":"2026-02-26T17:50:55Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:19.036418Z"}],"ghsa":[{"id":"GHSA-q86x-v28r-5px8","title":"Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute...","description":"Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2025-06-10T18:32:29Z","modified":"2025-06-10T18:32:36Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:02:39.469785Z"}],"nvd":[{"id":"CVE-2025-33071","description":"Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.","status":"published","published":"2025-06-10T17:22:59.847Z","modified":"2026-06-17T09:13:03.97Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:11:11.4244Z"}]}}