{"id":"CVE-2026-92008","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-92008","summary":"Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16,…","details":"Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.","published":"2026-09-15T13:16:48.463","modified":"2026-09-16T19:34:05.910","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2058065"},{"type":"WEB","url":"https://www.mozilla.org/security/advisories/mfsa2026-90/"},{"type":"WEB","url":"https://www.mozilla.org/security/advisories/mfsa2026-91/"},{"type":"WEB","url":"https://www.mozilla.org/security/advisories/mfsa2026-92/"},{"type":"WEB","url":"https://www.mozilla.org/security/advisories/mfsa2026-93/"},{"type":"WEB","url":"https://www.mozilla.org/security/advisories/mfsa2026-94/"},{"type":"WEB","url":"https://www.mozilla.org/security/advisories/mfsa2026-95/"},{"type":"WEB","url":"https://www.mozilla.org/security/advisories/mfsa2026-96/"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-16T19:34:05.910"}}