CVE-2026-74967 | Mozilla Firefox up to 140.13/153/153.0 Audio Video Playback cross-domain policy

A vulnerability identified as problematic has been detected in Mozilla Firefox up to 140.13/153/153.0. The affected element is an unknown function of the component Audio Video Playback. Performing a manipulation results in permissive cross-domain policy with untrusted domains.

This vulnerability is reported as CVE-2026-74967. The attack is possible to be carried out remotely. No exploit exists.

You should upgrade the affected component.VulDB Recent EntriesRead More