{"id":"CVE-2026-16371","revision":"4a23941156b6480f95e6d57809b47576","records":[{"revision":"4a23941156b6480f95e6d57809b47576","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-16371","aliases":[],"title":"Privilege escalation in the DOM: Navigation component","description":"Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, Thunderbird 140.13, Firefox ESR 140.15, and Thunderbird 140.15.","state":0,"publishedAt":"2026-07-21T12:37:47.142+00:00","modifiedAt":"2026-10-21T13:49:31.123+00:00","affected":[{"ecosystem":"Vendor product","name":"Firefox","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Firefox\",\n                    \"vendor\": \"Mozilla\",\n                    \"versions\": [\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"140.13\",\n                            \"lessThanOrEqual\": \"140.*\",\n                            \"versionType\": \"rpm\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"140.15\",\n                            \"lessThanOrEqual\": \"140.*\",\n                            \"versionType\": \"rpm\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"153\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"versionType\": \"rpm\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Thunderbird","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Thunderbird\",\n                    \"vendor\": \"Mozilla\",\n                    \"versions\": [\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"140.13\",\n                            \"lessThanOrEqual\": \"140.*\",\n                            \"versionType\": \"rpm\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"140.15\",\n                            \"lessThanOrEqual\": \"140.*\",\n                            \"versionType\": \"rpm\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"153\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"versionType\": \"rpm\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=2008369","https://www.mozilla.org/security/advisories/mfsa2026-68/","https://www.mozilla.org/security/advisories/mfsa2026-70/","https://www.mozilla.org/security/advisories/mfsa2026-71/","https://www.mozilla.org/security/advisories/mfsa2026-72/","https://www.mozilla.org/security/advisories/mfsa2026-84/","https://www.mozilla.org/security/advisories/mfsa2026-87/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-16371","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-16371","identifiers":["CVE-2026-16371"]},"retained":false,"historicalAffected":[]}],"coverage":[]}