CVE-2026-109709 | Mozilla Firefox up to 153.4/157 Process Sandboxing privileges management

October 13, 2026 Yanac

A vulnerability described as critical has been identified in Mozilla Firefox up to 153.4/157. Affected is an unknown function of the component Process Sandboxing. Such manipulation leads to improper privilege management.

This vulnerability is listed as CVE-2026-109709. The attack may be performed from remote. There is no available exploit.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More