Site Isolation Issue in Firefox Navigation Component
CVE-2026-16399
Currently unrated
What is CVE-2026-16399?
A site isolation issue has been identified in the DOM navigation component of the Firefox browser. This vulnerability could potentially allow unauthorized access to sensitive data across different sites. Mozilla has addressed this issue in the latest Firefox release, version 153, enhancing the browser's security features. Users are encouraged to update to the latest version to mitigate any associated risks.
Affected Version(s)
Firefox 153