What is CVE-2026-16366?
CVE-2026-16366 is a privilege escalation vulnerability in the DOM: Navigation component. This flaw has been fixed in Firefox 153 and Thunderbird 153, and users are advised to update to these versions immediately.
Azərbaycanca: CVE-2026-16366, DOM: Navigation komponentində aşkarlanmış imtiyaz yüksəltmə (Privilege escalation) zəifliyidir. Bu boşluq Firefox 153 və Thunderbird 153 versiyalarında aradan qaldırılıb, istifadəçilərə dərhal bu versiyalara yeniləmə tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-269
FAQ2
In which component was CVE-2026-16366 discovered and what security risk does it pose?
CVE-2026-16366 is a privilege escalation vulnerability discovered in the DOM: Navigation component.
Which Firefox version should be updated to in order to be protected from CVE-2026-16366?
This flaw has been fixed in Firefox 153, so users are advised to update to this version immediately.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.