{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0881","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","state":"PUBLISHED","assignerShortName":"mozilla","dateReserved":"2026-01-13T13:30:54.908Z","datePublished":"2026-01-13T13:30:55.122Z","dateUpdated":"2026-04-13T13:51:46.729Z"},"containers":{"cna":{"affected":[{"product":"Firefox","vendor":"Mozilla","versions":[{"status":"unaffected","version":"147","lessThanOrEqual":"*","versionType":"rpm"}]},{"product":"Thunderbird","vendor":"Mozilla","versions":[{"status":"unaffected","version":"147","lessThanOrEqual":"*","versionType":"rpm"}]}],"descriptions":[{"lang":"en","value":"Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.","supportingMedia":[{"type":"text/html","base64":false,"value":"Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147."}]}],"title":"Sandbox escape in the Messaging System component","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2005845"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-01/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-04/"}],"credits":[{"lang":"en","value":"Andrew McCreight"}],"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2026-04-13T13:51:46.729Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-693","lang":"en","description":"CWE-693 Protection Mechanism Failure"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-284","lang":"en","description":"CWE-284 Improper Access Control"}]}],"metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":10,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-01-13T18:29:56.520371Z","id":"CVE-2026-0881","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2026-01-13T18:32:04.165Z"}}]}}