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.
Products Associated with CVE-2026-92040
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Affected Versions
Mozilla Firefox:- Version 156, <= * is unaffected.