CVE-2026-92040 | Mozilla Firefox up to 155 WebAssembly use after free

September 15, 2026 Yanac

A vulnerability classified as critical was found in Mozilla Firefox up to 155. Affected is an unknown function of the component WebAssembly. Executing a manipulation can lead to use after free.

The identification of this vulnerability is CVE-2026-92040. The attack may be launched remotely. There is no exploit available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More