Firefox 126.x — End of Life
EOLFirefox 126.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 126 | May 14, 2024 | — | Jun 11, 2024 | 126.0.1 | EOL |
CVEs affecting Firefox 126.x (0)
Firefox 126.x is EOL — migrate to Firefox 127.x
Firefox 127.x is the next major release. Plan your upgrade before Firefox 126.x stops receiving security patches.
Frequently asked questions
Is Firefox 126 end of life?
Yes. All Firefox 126.x releases have reached end of life and no longer receive security patches. Migrate to Firefox 127.x as soon as possible.
What CVEs affect Firefox 126?
No CVEs are currently tracked for Firefox 126.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Firefox 126 version?
The latest Firefox 126.x patch release is 126.0.1, released on May 28, 2024. Always run the latest patch to benefit from all security fixes.
How to migrate from Firefox 126 to Firefox 127?
To migrate from Firefox 126 to Firefox 127: (1) review the official Firefox 127 migration guide for breaking changes, (2) update dependencies and configuration accordingly, (3) test thoroughly in a staging environment, (4) deploy with a rollback plan. Starting early gives you time to resolve compatibility issues before your current version reaches end of life.
Is it safe to run Firefox 126 in production?
No. Firefox 126 has reached end of life and security vulnerabilities are no longer patched. Upgrade to a supported version immediately.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA