CVE-2026-74962 | Mozilla Firefox up to 140.13/153/153.0 Cookies isolation

A vulnerability was found in Mozilla Firefox up to 140.13/153/153.0. It has been classified as critical. This affects an unknown part of the component Cookies. The manipulation leads to improper isolation or compartmentalization.

This vulnerability is listed as CVE-2026-74962. The attack may be initiated remotely. There is no available exploit.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More