CVE-2026-117995 | Mozilla Firefox up to 153.5/158 UI Events/Focus privileges management

October 27, 2026 Yanac

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 153.5/158. Impacted is an unknown function of the component UI Events/Focus Handler. Executing a manipulation can lead to improper privilege management.

This vulnerability is handled as CVE-2026-117995. The attack can be executed remotely. There is not any exploit available.

You should upgrade the affected component.VulDB Recent EntriesRead More