cvedb.io
CVE-2026-6771
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2026-04-21T13:16:22.927 · Last modified 2026-06-17T11:01:18.430

Summary

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

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.