{"id":"CVE-2026-50487","aliases":["EUVD-2026-44098","GHSA-5fc8-2988-xmjx"],"status":"published","title":"Windows DNS Client Elevation of Privilege Vulnerability","description":"Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges 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":"2026-11-10","score":0.00792,"percentile":0.5663,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-07-14T17:07:51Z","modified":"2026-11-01T17:35:26Z","products":[{"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 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_11_26h1"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50487","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50487"},{"url":"https://github.com/advisories/GHSA-5fc8-2988-xmjx"}],"sources":{"cve":[{"id":"CVE-2026-50487","title":"Windows DNS Client Elevation of Privilege Vulnerability","description":"Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-14T17:07:51.922Z","modified":"2026-11-01T17:35:26.811Z","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":"2026-11-02T14:20:09.098623Z"}],"euvd":[{"id":"EUVD-2026-44098","description":"Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-14T17:07:51Z","modified":"2026-11-01T17:35:26Z","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":"2026-11-02T16:58:47.914819Z"}],"ghsa":[{"id":"GHSA-5fc8-2988-xmjx","title":"Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges...","description":"Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-14T18:32:27Z","modified":"2026-07-14T18:32:27Z","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":"2026-11-02T15:09:29.53235Z"}],"nvd":[{"id":"CVE-2026-50487","description":"Use after free in Microsoft Windows DNS allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-07-14T18:17:54.87Z","modified":"2026-07-22T16:18:03.447Z","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"},{"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":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:29.489525Z"}]}}