{"id":"CVE-2026-41096","aliases":["EUVD-2026-29684","GHSA-9pgv-xqpg-75rv"],"status":"published","title":"Windows DNS Client Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Microsoft 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":"2026-11-12","score":0.02695,"percentile":0.86113,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-122"],"published":"2026-05-12T16:58:52Z","modified":"2026-08-10T15:13:01Z","exploits":[{"source":"pocgithub","id":"mrk336/DNS-Mayhem-CVE-2026-41096-Deep-Dive","title":"mrk336/DNS-Mayhem-CVE-2026-41096-Deep-Dive","date":"2026-05-15","url":"https://github.com/mrk336/DNS-Mayhem-CVE-2026-41096-Deep-Dive"},{"source":"pocgithub","id":"m0n1x90/CVE-2026-41096","title":"m0n1x90/CVE-2026-41096","date":"2026-05-24","url":"https://github.com/m0n1x90/CVE-2026-41096"},{"source":"pocgithub","id":"satchfunky/CVE-2026-41096-POC","title":"satchfunky/CVE-2026-41096-POC","date":"2026-05-24","url":"https://github.com/satchfunky/CVE-2026-41096-POC"},{"source":"pocgithub","id":"TwoSevenOneT/CVE-2026-41096-Attack-Surface","title":"TwoSevenOneT/CVE-2026-41096-Attack-Surface","date":"2026-06-04","url":"https://github.com/TwoSevenOneT/CVE-2026-41096-Attack-Surface"},{"source":"pocgithub","id":"personnumber3377/dns_client_fuzzing","title":"personnumber3377/dns_client_fuzzing","date":"2026-06-23","url":"https://github.com/personnumber3377/dns_client_fuzzing"},{"source":"pocgithub","id":"wuyou6956-glitch/CVE-2026-41096-POC","title":"wuyou6956-glitch/CVE-2026-41096-POC","date":"2026-09-30","url":"https://github.com/wuyou6956-glitch/CVE-2026-41096-POC"}],"products":[{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows 11 version 24h2"},{"vendor":"microsoft","product":"windows 11 version 25h2"},{"vendor":"microsoft","product":"windows 11 version 26h1"},{"vendor":"microsoft","product":"windows server 2022, 23h2 edition (server core installation)"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2022_23h2"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41096","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41096"},{"url":"https://github.com/advisories/GHSA-9pgv-xqpg-75rv"}],"sources":{"cve":[{"id":"CVE-2026-41096","title":"Windows DNS Client Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-05-12T16:58:52.292Z","modified":"2026-08-10T15:13:01.5Z","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-122"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-29684","description":"Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-05-12T16:58:52Z","modified":"2026-08-10T15:13:01Z","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":"2026-11-02T18:02:02.39155Z"}],"ghsa":[{"id":"GHSA-9pgv-xqpg-75rv","title":"Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute...","description":"Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-05-12T18:30:46Z","modified":"2026-05-12T18:30:54Z","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-122"],"updated_at":"2026-11-02T15:08:05.647564Z"}],"nvd":[{"id":"CVE-2026-41096","description":"Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-05-12T18:17:21.167Z","modified":"2026-11-11T20:10:00.273Z","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-122"],"updated_at":"2026-11-11T21:26:15.366289Z"}]}}