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.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-117861 ↗
- bugzilla.mozilla.org/show_bug.cgi ↗
- www.mozilla.org/security/advisories/mfsa2026-118/ ↗
- www.mozilla.org/security/advisories/mfsa2026-120/ ↗
- www.mozilla.org/security/advisories/mfsa2026-121/ ↗
- www.mozilla.org/security/advisories/mfsa2026-122/ ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.