{"id":"CVE-2026-69858","aliases":["EUVD-2026-73636","GHSA-vrp7-ff8v-gvm9"],"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":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":"2026-11-11","score":0.00707,"percentile":0.53878,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-09-08T17:16:49Z","modified":"2026-11-10T21:35:52Z","products":[{"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_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69858","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69858"},{"url":"https://github.com/advisories/GHSA-vrp7-ff8v-gvm9"}],"sources":{"cve":[{"id":"CVE-2026-69858","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":"2026-09-08T17:16:49.5Z","modified":"2026-11-10T21:35:52.592Z","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":"2026-11-10T22:48:53.006191Z"}],"euvd":[{"id":"EUVD-2026-73636","description":"Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T17:16:49Z","modified":"2026-11-10T21:35:52Z","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":"2026-11-10T22:23:47.576985Z"}],"ghsa":[{"id":"GHSA-vrp7-ff8v-gvm9","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":"2026-09-08T18:33:03Z","modified":"2026-09-08T18:33:23Z","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":"2026-11-02T15:11:32.915208Z"}],"nvd":[{"id":"CVE-2026-69858","description":"Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-09-08T18:19:57.143Z","modified":"2026-09-16T17:32:51.91Z","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":"2026-11-02T14:12:44.840742Z"}]}}