{"id":"CVE-2026-84117","state":"PUBLISHED","title":"Privilege escalation in Firefox for Android","description":"Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 155.","publishedAt":"2026-09-01T12:18:47.569Z","updatedAt":"2026-09-02T03:55:24.052Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"155","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=2053320","https://www.mozilla.org/security/advisories/mfsa2026-82/"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/84xxx/CVE-2026-84117.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-84117","state":"PUBLISHED","datePublished":"2026-09-01T12:18:47.569Z","dateUpdated":"2026-09-02T03:55:24.052Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2026-09-01T07:25:01.149Z"},"containers":{"cna":{"title":"Privilege escalation in Firefox for Android","descriptions":[{"lang":"en","value":"Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 155."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"155","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2053320"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-82/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-09-01T12:18:47.569Z"},"credits":[{"lang":"en","value":"HiWorld"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-01T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-84117"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","type":"CWE","lang":"en","description":"CWE-284 Improper Access Control"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-02T03:55:24.052Z"}}]}}}