Sandbox Escape Vulnerability in Firefox Graphics Component
CVE-2026-92035

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox
Vendor: CVE Published:; 15 September 2026

What is CVE-2026-92035?

A vulnerability has been identified in the Graphics component of Firefox, allowing for a potential sandbox escape due to improper handling of boundary conditions. This issue has been addressed in recent updates, specifically Firefox version 156 and Firefox ESR version 153.3. Users are encouraged to update their software promptly to avoid potential exploitation.

Affected Version(s)

Firefox 153.3

Firefox 156

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2061245

https://www.mozilla.org/security/advisories/mfsa2026-90/

https://www.mozilla.org/security/advisories/mfsa2026-93/

Download the Critical Vulnerability Management Cheat Sheet

Timeline

Vulnerability published
Sep 15, 2026
Vulnerability Reserved
Sep 15, 2026

Credit

Mozilla

CVE-2026-92035 Data

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