{"id":"CVE-2026-117861","published":"2026-10-27T14:16:40.473","lastModified":"2026-10-27T19:17:11.330","description":"Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2053240","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-118/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-120/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-121/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-122/","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}