{"id":"CVE-2026-69730","aliases":["EUVD-2026-73069","GHSA-c2r3-r855-7j88"],"status":"published","title":"Windows DNS Server Remote Code Execution Vulnerability","description":"Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00974,"percentile":0.62505,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-09-08T17:12:13Z","modified":"2026-11-10T21:30:59Z","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-2026-69730","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69730"},{"url":"https://github.com/advisories/GHSA-c2r3-r855-7j88"}],"sources":{"cve":[{"id":"CVE-2026-69730","title":"Windows DNS Server Remote Code Execution Vulnerability","description":"Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T17:12:13.478Z","modified":"2026-11-10T21:30:59.51Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-10T22:48:53.006191Z"}],"euvd":[{"id":"EUVD-2026-73069","description":"Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T17:12:13Z","modified":"2026-11-10T21:30:59Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-10T22:23:53.008995Z"}],"ghsa":[{"id":"GHSA-c2r3-r855-7j88","title":"Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.","description":"Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T18:32:56Z","modified":"2026-09-08T18:33:07Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:11:32.262918Z"}],"nvd":[{"id":"CVE-2026-69730","description":"Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T18:19:45.14Z","modified":"2026-09-24T23:18:23.21Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:44.840742Z"}]}}