{"id":"CVE-2025-49716","aliases":["EUVD-2025-20627","GHSA-884w-hqx3-6fj7"],"status":"published","title":"Windows Netlogon Denial of Service Vulnerability","description":"Uncontrolled resource consumption in Windows Netlogon allows an unauthorized attacker to deny service over a network.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01633,"percentile":0.7647,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2025-07-08T16:57:21Z","modified":"2026-06-17T09:31:48Z","products":[{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"vendor":"microsoft","product":"windows server 2008 service pack 2"},{"vendor":"microsoft","product":"windows server 2008 service pack 2 (server core installation)"},{"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_2008"},{"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-2025-49716","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49716"},{"url":"https://github.com/advisories/GHSA-884w-hqx3-6fj7"}],"sources":{"cve":[{"id":"CVE-2025-49716","title":"Windows Netlogon Denial of Service Vulnerability","description":"Uncontrolled resource consumption in Windows Netlogon allows an unauthorized attacker to deny service over a network.","status":"published","published":"2025-07-08T16:57:21.032Z","modified":"2026-02-13T19:06:56.63Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:32:25.186422Z"}],"euvd":[{"id":"EUVD-2025-20627","description":"Uncontrolled resource consumption in Windows Netlogon allows an unauthorized attacker to deny service over a network.","status":"published","published":"2025-07-08T16:57:21Z","modified":"2026-02-13T19:06:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:39.538725Z"}],"ghsa":[{"id":"GHSA-884w-hqx3-6fj7","title":"Uncontrolled resource consumption in Windows Netlogon allows an unauthorized attacker to deny...","description":"Uncontrolled resource consumption in Windows Netlogon allows an unauthorized attacker to deny service over a network.","status":"published","published":"2025-07-08T18:31:49Z","modified":"2025-07-08T18:31:59Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:02:57.612558Z"}],"nvd":[{"id":"CVE-2025-49716","description":"Uncontrolled resource consumption in Windows Netlogon allows an unauthorized attacker to deny service over a network.","status":"published","published":"2025-07-08T17:15:58.873Z","modified":"2026-06-17T09:31:48.043Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:11:17.727956Z"}]}}