Sandbox Escape Vulnerability in Firefox by Mozilla
CVE-2026-124933

Currently unrated

Key Information:

Vendor

Mozilla

Status
Vendor
CVE Published:
10 November 2026

What is CVE-2026-124933?

A sandbox escape vulnerability has been identified in the Console component of Firefox, which could potentially allow unauthorized access and manipulation of data outside its intended environment. This issue affects versions of Firefox prior to 160 and Firefox ESR prior to 153.7. Mozilla has addressed the vulnerability in the latest updates, emphasizing the importance of keeping browsers up-to-date to safeguard user data and maintain overall security.

Affected Version(s)

Firefox 153.7

Firefox 160

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

r0keb
.