JIT Miscompilation Vulnerability in Firefox by Mozilla
CVE-2026-10702

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 2 June 2026

What is CVE-2026-10702?

A JIT (Just-In-Time) miscompilation vulnerability has been identified in the JavaScript Engine of Firefox. This flaw could potentially allow attackers to exploit the JIT component, leading to unexpected behavior or execution of arbitrary code. This issue has been addressed in Firefox version 151.0.3, underscoring the importance of keeping software up to date to mitigate security risks.

Affected Version(s)

Firefox 151.0.3

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2040903

https://www.mozilla.org/security/advisories/mfsa2026-54/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Jun 2, 2026
Vulnerability Reserved
Jun 2, 2026

Credit

Nebula Security

CVE-2026-10702 Data

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