Umbraco CMS 10 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Umbraco CMS 10 reached end of life on 16 Jun 2025. It no longer receives security fixes.
Support timeline
Official dates from the Umbraco CMS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 16 Jun 2022 | 4y 4mo ago |
| Support ended | 16 Jun 2024 | security fixes only after this |
| Security ended | 16 Jun 2025 | 1y 4mo ago |
| Latest release | 10.8.11 · 24 Jun 2025 | final |
Where to go from 10
Recommended target: Umbraco CMS 18 (supported until 25 Jun 2027).
The newest actively supported branch is Umbraco CMS 18 (latest release 18.2.0).
Frequently asked questions
Is Umbraco CMS 10 still safe to use?
Umbraco CMS 10 reached end of life on 16 Jun 2025, 476 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Umbraco CMS 10?
Yes — the final release (10.8.11) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Umbraco CMS 10 to?
Upgrade to Umbraco CMS 18, the newest actively supported branch (supported until 25 Jun 2027).