{"id":"CVE-2026-66312","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-66312","summary":"Buffer over-read in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.","details":"Buffer over-read in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.","published":"2026-08-04T00:17:38.510","modified":"2026-08-06T17:01:48.057","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.011,"percentile":0.62899,"asOf":"2026-08-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66312"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-06T17:01:48.057"}}