CVE-2026-92026

A use-after-free vulnerability in the Networking component of Firefox could allow an attacker to execute arbitrary code or crash the browser, potentially compromising user data. Users of affected versions should prioritize updating to Firefox 156, Firefox ESR 140.16, or Firefox ESR 153.3 to mitigate this risk. Organizations relying on Firefox for secure browsing should assess their deployment and ensure timely updates to protect against potential exploitation.