CVE-2026-124927 | Mozilla Firefox up to 153.6/159 WebRender isolation

A vulnerability, which was classified as critical, has been found in Mozilla Firefox up to 153.6/159. Impacted is an unknown function of the component WebRender. This manipulation causes improper isolation or compartmentalization.

This vulnerability is registered as CVE-2026-124927. Remote exploitation of the attack is possible. No exploit is available.

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