Umbraco · Lifecycle Status

Umbraco End of Life (EOL) Dates & Support Timeline

Q: What is the end-of-life date for Umbraco?

The next Umbraco version reaching EOL is 13 on December 14, 2026. See the full table above for all version EOL dates.

Q: When is the Umbraco support end date?

The next Umbraco support end date is December 14, 2026, when version 13 reaches end of support. Each version has its own support end date — see the table above for every version's date.

Q: What is the latest supported version of Umbraco?

The latest active version of Umbraco is 17.4.2. Always verify against the table above as support windows can change.

Complete end-of-life dates, support windows, and security status for all Umbraco versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.

📅 Get reminded before Umbraco 13 reaches EOL on December 14, 2026 — alerts 90, 30 & 7 days out.

Google →

Latest Active

17.4.2

17 series

Next EOL

Dec 14, 2026

Active Versions

of 12 total

EOL Versions

no longer patched

Medium Risk

EOL Risk Score™ How is this calculated? →

EOL Recency

25/40

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 →

Release Cycle Timeline

■ EOL ■ Warning ■ Active ┊ Today

All Versions

Version	Latest Release	Release Date	EOL Date	Days	Status
6	6.2.6	Mar 27, 2013	May 1, 2018	2975 days past EOL	EOL
7 LTS	7.15.11	Nov 21, 2013	Sep 30, 2023	997 days past EOL	EOL
8 LTS	8.18.15	Feb 26, 2019	Feb 24, 2025	484 days past EOL	EOL
9	9.5.4	Sep 29, 2021	Dec 16, 2022	1285 days past EOL	EOL
10 LTS	10.8.11	Jun 16, 2022	Jun 16, 2025	372 days past EOL	EOL
11	11.5.0	Dec 1, 2022	Dec 1, 2023	935 days past EOL	EOL
12	12.3.10	Jun 29, 2023	Jun 29, 2024	724 days past EOL	EOL
13 LTS	13.14.0	Dec 14, 2023	Dec 14, 2026	174 days remaining	Warning
14	14.3.4	May 30, 2024	May 30, 2025	389 days past EOL	EOL
15	15.4.4	Nov 14, 2024	Nov 14, 2025	221 days past EOL	EOL
16	16.5.1	Jun 12, 2025	Jun 12, 2026	11 days past EOL	EOL
17 LTS	17.4.2	Nov 27, 2025	Nov 27, 2028	888 days remaining	Active

What does Umbraco end of life mean for your organization?

When a version of Umbraco reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.

The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.

Organizations running EOL Umbraco should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.

Extended Support Options

If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Umbraco versions. This is a bridge, not a permanent solution — plan your migration in parallel.

endoflife.ai

Need Extended Support?

We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.

Frequently Asked Questions

What is the end-of-life date for Umbraco?

The next Umbraco version reaching EOL is 13 on December 14, 2026. See the full table above for all version EOL dates.

When is the Umbraco support end date?

The next Umbraco support end date is December 14, 2026, when version 13 reaches end of support. Each version has its own support end date — see the table above for every version's date.

What is the latest supported version of Umbraco?

The latest active version of Umbraco is 17.4.2. Always verify against the table above as support windows can change.

What happens when Umbraco reaches end of life?

When Umbraco reaches end of life, the vendor stops issuing security patches. Any CVEs disclosed after the EOL date accumulate indefinitely with no patch path — creating an ever-growing attack surface that most vulnerability scanners do not flag.

How do I check if I'm running an EOL version of Umbraco?

Check your current version against the table above. If your version's EOL date has passed, you are running unsupported software. You can also use the endoflife.ai Stack Scanner to check your entire dependency file at once.

Is there extended support available for EOL Umbraco versions?

Some vendors offer extended support for EOL software. Contact the original vendor or check with enterprise support providers for options.

Related Products

Data from endoflife.date API · endoflife.date · Generated at build time · How we source data →