HIGHCVSS 8.8

CVE-2026-8955

CVE-2026-8955 updated by NVD

Modified: 2026-10-16
Sources: nvd

Summary

Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-8955

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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