CVE-2026-8389
JIT miscompilation in the JavaScript Engine: JIT component
CVSS Score
7.3
EPSS Score
0.0%
EPSS Percentile
5th
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.
| Vendor | mozilla |
| Product | firefox |
| Ecosystems | |
| Industries | Technology |
| Published | May 12, 2026 |
| Last Updated | May 13, 2026 |
Stay Ahead of the Next One
Get instant alerts for mozilla firefox
Be the first to know when new high vulnerabilities affecting mozilla firefox are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Mozilla / Firefox
All versions affected References
Credits
ggwhyp