{"id":"CVE-2026-44805","aliases":["EUVD-2026-35746","GHSA-hr83-xf6f-c3j7"],"status":"published","title":"Windows Network Controller (NC) Host Agent Denial of Service Vulnerability","description":"Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00356,"percentile":0.29654,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416","CWE-822"],"published":"2026-06-09T17:06:18Z","modified":"2026-11-10T23:25:08Z","products":[{"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 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44805","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44805"},{"url":"https://github.com/advisories/GHSA-hr83-xf6f-c3j7"}],"sources":{"cve":[{"id":"CVE-2026-44805","title":"Windows Network Controller (NC) Host Agent Denial of Service Vulnerability","description":"Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.","status":"published","published":"2026-06-09T17:06:18.727Z","modified":"2026-11-10T23:25:08.928Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-416","CWE-822"],"updated_at":"2026-11-11T00:50:10.062046Z"}],"euvd":[{"id":"EUVD-2026-35746","description":"Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.","status":"published","published":"2026-06-09T17:06:18Z","modified":"2026-11-10T23:25:08Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-11T00:24:45.332412Z"}],"ghsa":[{"id":"GHSA-hr83-xf6f-c3j7","title":"Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to...","description":"Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.","status":"published","published":"2026-06-09T18:30:46Z","modified":"2026-06-09T18:30:53Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:08:41.598643Z"}],"nvd":[{"id":"CVE-2026-44805","description":"Use after free in Windows Network Controller (NC) Host Agent allows an authorized attacker to deny service locally.","status":"published","published":"2026-06-09T17:17:16.48Z","modified":"2026-07-23T08:10:00.137Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-416","CWE-822"],"updated_at":"2026-11-02T14:12:23.109705Z"}]}}