CVE-2026-8389

CVE-2026-8389: JIT miscompilation in the JavaScript Engine: JIT component

Published May 12, 2026
Last update July 15, 2026
View on NVD All CVEs

CVSS base score

—

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

May 12, 2026 CVE published
July 15, 2026 Record updated