Umbraco CMS 18
Umbraco CMS 18
Third-party support for the Umbraco CMS 18: 24/7 engineers manage issues, remediate vulnerabilities, and help you maintain compliance — independent of the vendor contract.
24/7 engineers own your Umbraco CMS 18 incidents end to end.
Mitigation and patch-around guidance when the vendor no longer ships fixes.
Controls evidence and documentation that keep auditors satisfied.
Specifications
- product
- umbraco
- release
- 18
- product Label
- Umbraco CMS
- release Label
- 18
- codename
- lts
- latest Version
- 18.1.1
- release Date
- 2026-06-25
- maintained
- true
- source Url
- https://endoflife.date/umbraco
Lifecycle Dates
- End of Service Life
- Jun 25, 2027
- Last OEM Support
- Mar 25, 2027
OEM vs. 3rd Party Support
See how third-party support compares to the vendor contract for Umbraco CMS 18 — monitoring, break/fix, vulnerability work, operations and compliance, before and after EOSL.
| Feature | OEM Support | 3rd Party Support |
|---|---|---|
| Post-EOSL Support | ||
| Break/Fix Support | Until EOSL | |
| 24/7 Monitoring | ||
| Vulnerability Scanning & Remediation | ||
| Managed Operations | ||
| Procedure & Configuration Review | ||
| Compliance & Audit Documentation | Limited | |
| Discounted Migration to Other Platforms |
Why Choose 3rd Party Support for Umbraco CMS 18?
Vulnerability Remediation
Scanning, mitigation and patch-around guidance for Umbraco CMS 18 when the vendor no longer ships fixes.
Compliance Maintenance
Procedure review, controls evidence and the documentation auditors ask for — maintained continuously, not scrambled at audit time.
24/7 Expert Support
Engineers who know this release monitor, manage and fix issues around the clock — break/fix to managed operations.
Umbraco CMS 18 Support: Frequently Asked Questions
Is the Umbraco CMS 18 still supported?
Yes. The Umbraco CMS 18 is currently supported by Umbraco CMS, and third-party support is available as an alternative — issue management, vulnerability remediation, and compliance help independent of the vendor contract.
When is the Umbraco CMS 18 end of service life (EOSL) date?
Umbraco CMS lists the end of service life for the Umbraco CMS 18 as Jun 25, 2027.
Can I keep using the Umbraco CMS 18 after its EOSL date?
Yes. EOSL means Umbraco CMS stops issuing patches and support — the software itself keeps running. Third-party support covers it from there: issue management, security vulnerability remediation, and the compliance documentation auditors ask for, for as long as you choose to run it.
How much does third-party support for the Umbraco CMS 18 cost?
Typically 40-70% below the OEM maintenance renewal price. Exact pricing depends on quantity, service level and location — request a quote and we respond within 24 hours.