CVE-2026-100794 | Mozilla Firefox up to 140.16/153.3/156 Internationalization privileges management

September 29, 2026 Yanac

A vulnerability described as critical has been identified in Mozilla Firefox up to 140.16/153.3/156. This issue affects some unknown processing of the component Internationalization. The manipulation results in improper privilege management.

This vulnerability is known as CVE-2026-100794. It is possible to launch the attack remotely. No exploit is available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More