CVE-2026-124921 | Mozilla Firefox up to 159 WebGPU sandbox

SecurityVulns

A vulnerability labeled as critical has been found in Mozilla Firefox up to 159. Affected by this vulnerability is an unknown functionality of the component WebGPU. Such manipulation leads to sandbox issue.

This vulnerability is referenced as CVE-2026-124921. It is possible to launch the attack remotely. No exploit is available.

The affected component should be upgraded.VulDB Recent EntriesRead More