{"id":"CVE-2026-70079","aliases":["EUVD-2026-99150","GHSA-7j73-xhw7-87fx"],"status":"published","title":"Windows DNS Denial of Service Vulnerability","description":"Improper enforcement of behavioral workflow in Windows DNS 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":"2026-11-09","score":0.01273,"percentile":0.70094,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-841"],"published":"2026-10-13T18:59:37Z","modified":"2026-10-31T18:01:49Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"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 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"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_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70079","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70079"},{"url":"https://github.com/advisories/GHSA-7j73-xhw7-87fx"}],"sources":{"cve":[{"id":"CVE-2026-70079","title":"Windows DNS Denial of Service Vulnerability","description":"Improper enforcement of behavioral workflow in Windows DNS allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-10-13T18:59:37.535Z","modified":"2026-10-31T18:01:49.783Z","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-841"],"updated_at":"2026-11-02T13:35:22.169514Z"}],"euvd":[{"id":"EUVD-2026-99150","description":"Improper enforcement of behavioral workflow in Windows DNS allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-10-13T18:59:37Z","modified":"2026-10-31T18:01:49Z","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":"2026-11-02T16:58:55.619146Z"}],"ghsa":[{"id":"GHSA-7j73-xhw7-87fx","title":"Improper enforcement of behavioral workflow in Windows DNS allows an unauthorized attacker to...","description":"Improper enforcement of behavioral workflow in Windows DNS allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-10-13T21:34:03Z","modified":"2026-10-13T21:34:03Z","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"}],"cwes":["CWE-841"],"updated_at":"2026-11-02T15:13:14.588915Z"}],"nvd":[{"id":"CVE-2026-70079","description":"Improper enforcement of behavioral workflow in Windows DNS allows an unauthorized attacker to deny service over a network.","status":"published","published":"2026-10-13T19:19:19.51Z","modified":"2026-10-16T17:37:48.36Z","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-841"],"updated_at":"2026-11-02T14:12:57.603498Z"}]}}