cvedb.io
CVE-2026-8401
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-05-12T15:16:20.100 · Last modified 2026-06-30T03:21:43.133

Summary

Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.

Affected products

mozilla — firefox

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.