{"id":"CVE-2026-109712","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-109712","generatedAt":"2026-10-28T00:59:55.380Z","title":"This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.","description":"Sandbox escape due to uninitialized memory in the Graphics component. This vulnerability was fixed in Firefox 158, Firefox ESR 115.43, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.","published":"2026-10-13T13:17:21.000Z","lastModified":"2026-10-16T19:17:03.000Z","status":"Deferred","sourceIdentifier":"security@mozilla.org","cvss":{"version":"3.1","score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L"},"cwe":["CWE-908"],"affected":[],"epss":{"score":0.00224,"percentile":0.12908,"date":"2026-10-26","history":[{"date":"2026-10-14","score":0.00194,"percentile":0.08474}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-16T21:30:17.000Z","detail":{"from":null,"score":"7.1","severity":"HIGH","fromSeverity":null},"summary":"Now scored CVSS 7.1 HIGH."},{"kind":"new","label":"New CVE","at":"2026-10-13T13:17:21.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-10-13T13:17:21.330Z"},"summary":"New CVE, high severity (CVSS 7.1)."}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2068420","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-106/","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-107/","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-108/","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-109/","source":"security@mozilla.org"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-110/","source":"security@mozilla.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-109712","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}