Umbraco 16.x — End of Life

No. Umbraco 16.x is still supported until June 12, 2026. It continues to receive security patches and bug fixes.

No CVEs are currently tracked for Umbraco 16.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.

The latest Umbraco 16.x patch release is 16.5.1, released on March 10, 2026. Always run the latest patch to benefit from all security fixes.

To migrate from Umbraco 16 to Umbraco 17: (1) review the official Umbraco 17 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.

Umbraco 16 is still supported and safe for production use until June 12, 2026. Ensure you are running the latest patch version (16.5.1) to have all security fixes applied.