Umbraco 13 · Version Status
Umbraco 13 End of Life Date
Umbraco 13 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
⚡
Umbraco 13 reaches end of life on December 14, 2026. Plan your migration now — 174 days remaining.
📅 Get reminded before Umbraco 13 reaches EOL on December 14, 2026 — alerts 90, 30 & 7 days out.
EOL Date
Dec 14, 2026
174 days remaining
Latest Release
13.14.0
LTS release
Release Date
Dec 14, 2023
Umbraco 13 series
Attack Surface
10/30 Medium tier
CISA KEV Exposure
0/20 Not in KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
Extended Support
Extended Umbraco 13 support is available
Commercial vendors offer security patches beyond EOL — compare your options.
Compare Options →
| 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 |
Warning |
What does Umbraco 13 end of life mean?
When Umbraco 13 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 13 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 13 reach end of life?
Umbraco 13 reached end of life on December 14, 2026. That is 174 days remaining.
Is Umbraco 13 still supported?
Umbraco 13 is still supported but approaching end of life on December 14, 2026. Begin planning your migration now.
What should I upgrade to from Umbraco 13?
The recommended upgrade from Umbraco 13 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 13 past EOL?
When Umbraco 13 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.