CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component

CVSS 8.8 HIGHEPSS 0.3%CWE-119 CWE-686 CWE-843

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

public PoCs found — 1

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References