Umbraco 12 · Version Status

Umbraco 12 End of Life Date

Umbraco 12 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.

Umbraco 12 is past end of life. This version no longer receives security patches. 679 days past EOL — migrate to a supported version immediately.
EOL Date
Jun 29, 2024
679 days past EOL
Latest Release
12.3.10
Standard release
Release Date
Jun 29, 2023
Umbraco 12 series
← Umbraco 11 All Umbraco versions Umbraco 13 →
Recommended upgrade path
Umbraco 17
Latest release: 17.3.5 · EOL: Nov 27, 2028
View full Umbraco timeline →
All Umbraco Versions
VersionLatestEOL DateStatus
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 12 end of life mean?

When Umbraco 12 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 12 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 12 reach end of life?
Umbraco 12 reached end of life on June 29, 2024. This version is no longer receiving security patches.
Is Umbraco 12 still supported?
No. Umbraco 12 reached end of life on June 29, 2024 and is no longer receiving security patches.
What should I upgrade to from Umbraco 12?
The recommended upgrade from Umbraco 12 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 12 past EOL?
When Umbraco 12 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.
Data from endoflife.date API · Generated at build time · How we source data →