Umbraco 9 · Version Status
Umbraco 9 End of Life Date
Umbraco 9 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Umbraco 9 is past end of life. This version no longer receives security patches. 1240 days past EOL — migrate to a supported version immediately.
EOL Date
Dec 16, 2022
1240 days past EOL
Latest Release
9.5.4
Standard release
Release Date
Sep 29, 2021
Umbraco 9 series
| Version | Latest | EOL Date | Status |
|---|
| 6 |
6.2.6 |
May 1, 2018 |
EOL |
| 7 LTS |
7.15.11 |
Sep 30, 2023 |
EOL |
| 8 LTS |
8.18.15 |
Feb 24, 2025 |
EOL |
| → 9 |
9.5.4 |
Dec 16, 2022 |
EOL |
| 10 LTS |
10.8.11 |
Jun 16, 2025 |
EOL |
| 11 |
11.5.0 |
Dec 1, 2023 |
EOL |
| 12 |
12.3.10 |
Jun 29, 2024 |
EOL |
| 13 LTS |
13.14.0 |
Dec 14, 2026 |
Active |
What does Umbraco 9 end of life mean?
When Umbraco 9 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Umbraco 9 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Umbraco 17 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Umbraco 9 reach end of life?
Umbraco 9 reached end of life on December 16, 2022. This version is no longer receiving security patches.
Is Umbraco 9 still supported?
No. Umbraco 9 reached end of life on December 16, 2022 and is no longer receiving security patches.
What should I upgrade to from Umbraco 9?
The recommended upgrade from Umbraco 9 is
Umbraco 17 — the latest actively supported version. Check the
Umbraco full timeline for all supported versions.
What are the security risks of running Umbraco 9 past EOL?
When Umbraco 9 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Umbraco should migrate immediately or implement compensating controls.