{"id":"CVE-2026-66804","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-66804","summary":"Improper access control in Windows Cross Device Service allows an authorized attacker to elevate privileges locally.","details":"Improper access control in Windows Cross Device Service allows an authorized attacker to elevate privileges locally.","published":"2026-08-11T17:19:01.733","modified":"2026-08-11T17:19:01.733","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66804"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-11T17:19:01.733"}}