{"id":"CVE-2026-121843","aliases":["EUVD-2026-120059","GHSA-cpfc-xvc3-69fq"],"status":"published","title":"Privilege escalation in Firefox for iOS","description":"Privilege escalation in Firefox for iOS. This vulnerability was fixed in Firefox for iOS 160.0.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00294,"percentile":0.22242,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2026-11-09T13:42:32Z","modified":"2026-11-09T15:32:18Z","products":[{"vendor":"mozilla","product":"firefox for ios"}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2083030"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-124/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121843"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-124"},{"url":"https://github.com/advisories/GHSA-cpfc-xvc3-69fq"}],"sources":{"cve":[{"id":"CVE-2026-121843","title":"Privilege escalation in Firefox for iOS","description":"Privilege escalation in Firefox for iOS. This vulnerability was fixed in Firefox for iOS 160.0.","status":"published","published":"2026-11-09T13:42:32.237Z","modified":"2026-11-10T04:55:58.543Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-09T15:33:44.265689Z"}],"euvd":[{"id":"EUVD-2026-120059","description":"Privilege escalation in Firefox for iOS. This vulnerability was fixed in Firefox for iOS 160.0.","status":"published","published":"2026-11-09T13:42:32Z","modified":"2026-11-10T04:55:58Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-09T18:17:41.340262Z"}],"ghsa":[{"id":"GHSA-cpfc-xvc3-69fq","title":"Privilege escalation in Firefox for iOS. This vulnerability was fixed in Firefox for iOS 160.0.","description":"Privilege escalation in Firefox for iOS. This vulnerability was fixed in Firefox for iOS 160.0.","status":"published","published":"2026-11-09T15:32:10Z","modified":"2026-11-09T15:32:18Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-09T15:48:42.843855Z"}],"nvd":[{"id":"CVE-2026-121843","description":"Privilege escalation in Firefox for iOS. This vulnerability was fixed in Firefox for iOS 160.0.","status":"published","published":"2026-11-09T14:17:08.52Z","modified":"2026-11-10T16:27:13.943Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"updated_at":"2026-11-09T18:15:14.951948Z"}]}}