mozilla firefox CVE-2026-92040 is a vulnerability in Mozilla Firefox
Published on September 15, 2026

Use-after-free in the JavaScript: WebAssembly component
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 156.

NVD


Products Associated with CVE-2026-92040

Want to know whenever a new CVE is published for Mozilla Firefox? stack.watch will email you.

 

Affected Versions

Mozilla Firefox: