{"id":"CVE-2026-65798","aliases":["EUVD-2026-56743","GHSA-3j5q-86h5-5hj9"],"status":"published","title":"Windows DNS Elevation of Privilege Vulnerability","description":"Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00348,"percentile":0.28692,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-197"],"published":"2026-08-11T17:06:59Z","modified":"2026-10-30T17:22:44Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"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 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_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"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_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-2026-65798","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-65798"},{"url":"https://github.com/advisories/GHSA-3j5q-86h5-5hj9"}],"sources":{"cve":[{"id":"CVE-2026-65798","title":"Windows DNS Elevation of Privilege Vulnerability","description":"Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T17:06:59.235Z","modified":"2026-10-30T17:22:44.671Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-197"],"updated_at":"2026-11-02T13:37:13.934727Z"}],"euvd":[{"id":"EUVD-2026-56743","description":"Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T17:06:59Z","modified":"2026-10-30T17:22:44Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T16:59:03.451007Z"}],"ghsa":[{"id":"GHSA-3j5q-86h5-5hj9","title":"Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.","description":"Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T18:31:40Z","modified":"2026-08-11T18:31:45Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-197"],"updated_at":"2026-11-02T15:10:20.045782Z"}],"nvd":[{"id":"CVE-2026-65798","description":"Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-08-11T17:18:59.923Z","modified":"2026-08-17T18:56:12.717Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-197"],"updated_at":"2026-11-02T14:12:36.880938Z"}]}}
