CVE-2026-74971 | Mozilla Firefox prior 140.14/153.1/154 UI Events/Focus information disclosure

August 18, 2026 Yanac

A vulnerability, which was classified as problematic, has been found in Mozilla Firefox. Affected by this issue is some unknown functionality of the component UI Events/Focus Handler. Performing a manipulation results in information disclosure.

This vulnerability was named CVE-2026-74971. The attack may be initiated remotely. There is no available exploit.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More