{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-92018", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2026-09-15T12:33:37.558Z", "datePublished": "2026-09-15T12:33:38.091Z", "dateUpdated": "2026-09-20T00:15:48.795Z" }, "containers": { "cna": { "affected": [ { "product": "Firefox", "vendor": "Mozilla", "versions": [ { "status": "unaffected", "version": "115.41", "lessThanOrEqual": "115.*", "versionType": "rpm" }, { "status": "unaffected", "version": "140.16", "lessThanOrEqual": "140.*", "versionType": "rpm" }, { "status": "unaffected", "version": "153.3", "lessThanOrEqual": "153.*", "versionType": "rpm" }, { "status": "unaffected", "version": "156", "lessThanOrEqual": "*", "versionType": "rpm" } ] }, { "product": "Thunderbird", "vendor": "Mozilla", "versions": [ { "status": "unaffected", "version": "140.16", "lessThanOrEqual": "140.*", "versionType": "rpm" }, { "status": "unaffected", "version": "153.3", "lessThanOrEqual": "153.*", "versionType": "rpm" }, { "status": "unaffected", "version": "156", "lessThanOrEqual": "*", "versionType": "rpm" } ] } ], "descriptions": [ { "lang": "en", "value": "Sandbox escape in the DOM: Core & HTML 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.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Sandbox escape in the DOM: Core & HTML 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." } ] } ], "title": "Sandbox escape in the DOM: Core & HTML component", "references": [ { "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2064287" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-90/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-93/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-94/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-95/" }, { "url": "https://www.mozilla.org/security/advisories/mfsa2026-96/" } ], "credits": [ { "lang": "en", "value": "Quy Pham" } ], "providerMetadata": { "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2026-09-16T14:24:33.253Z" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-693", "lang": "en", "description": "CWE-693 Protection Mechanism Failure" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-20T00:15:46.393813Z", "id": "CVE-2026-92018", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-20T00:15:48.795Z" } } ] } }