{"id":"CVE-2026-50480","aliases":["EUVD-2026-44089","GHSA-8c44-h2jq-c85w"],"status":"published","title":"Windows Web Proxy Auto-Discovery Protocol (WPAD) Elevation of Privilege Vulnerability","description":"Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/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":0.00333,"percentile":0.26893,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-07-14T17:07:46Z","modified":"2026-11-01T17:35:22Z","products":[{"vendor":"microsoft","product":"windows 10 version 1607"},{"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_10_1607"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50480","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50480"},{"url":"https://github.com/advisories/GHSA-8c44-h2jq-c85w"}],"sources":{"cve":[{"id":"CVE-2026-50480","title":"Windows Web Proxy Auto-Discovery Protocol (WPAD) Elevation of Privilege Vulnerability","description":"Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T17:07:46.98Z","modified":"2026-11-01T17:35:22.332Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:20:08.734143Z"}],"euvd":[{"id":"EUVD-2026-44089","description":"Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T17:07:46Z","modified":"2026-11-01T17:35:22Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/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-8c44-h2jq-c85w","title":"Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an...","description":"Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T18:32:26Z","modified":"2026-07-14T18:32:28Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:09:29.53235Z"}],"nvd":[{"id":"CVE-2026-50480","description":"Heap-based buffer overflow in Windows Web Proxy Auto-Discovery Protocol (WPAD) allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-07-14T18:17:53.99Z","modified":"2026-10-14T22:10:00.21Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:29.489525Z"}]}}