CRITICALCVSS 9.8

CVE-2026-74979

CVE-2026-74979 updated by NVD

Modified: 2026-08-22
Sources: nvd

Summary

Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-74979

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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