CVE-2026-92065

A vulnerability in the Widget: Win32 component of Firefox allows for a sandbox escape due to incorrect boundary conditions, potentially enabling attackers to execute arbitrary code outside the intended security confines. Users of affected Firefox versions should prioritize updating to Firefox 156 or Firefox ESR 153.3 to mitigate the risk of exploitation. Organizations relying on Firefox for secure browsing should assess their deployment and ensure timely updates to protect against this issue.