CVE-2026-100817 | Mozilla Firefox up to 156 WebAssembly Remote Code Execution

September 29, 2026 Yanac

A vulnerability described as critical has been identified in Mozilla Firefox up to 156. Affected is an unknown function of the component WebAssembly. Executing a manipulation can lead to Remote Code Execution.

This vulnerability appears as CVE-2026-100817. The attack may be performed from remote. There is no available exploit.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More