CVE-2026-16399 | Mozilla Firefox up to 152 Navigation improper isolation or compartmentalization

July 21, 2026 Yanac

A vulnerability was found in Mozilla Firefox up to 152. It has been declared as critical. The impacted element is an unknown function of the component Navigation. The manipulation results in improper isolation or compartmentalization.

This vulnerability is cataloged as CVE-2026-16399. The attack may be launched remotely. There is no exploit available.VulDB Recent EntriesRead More