{"id":"CVE-2026-69603","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-69603","summary":"Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.","details":"Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.","published":"2026-09-08T18:19:31.163","modified":"2026-09-09T10:19:27.123","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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-2026-69603"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-09T10:19:27.123"}}