Azure Kubernetes Service 1.x — End of Life
EOL soonAzure Kubernetes Service 1.x is partially supported: only 1.36, 1.35, 1.34 still receive security fixes, the longest-lived (1.36) until Jun 30, 2027, in 250 days. No CVE is currently tracked for Azure Kubernetes Service 1.x.
Azure Kubernetes Service 1.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status | Alert me |
|---|---|---|---|---|---|---|
| 1.36 | Jun 30, 2026 | — | Jun 30, 2027 | — | Active | |
| 1.35 | Mar 5, 2026 | — | Mar 31, 2027 | — | Active | |
| 1.34 | Jan 4, 2026 | — | Nov 30, 2026 | — | EOL soon | |
| 1.33 | Jun 17, 2025 | — | Jul 31, 2026 | — | EOL | |
| 1.32 | Apr 6, 2025 | — | Mar 31, 2026 | — | EOL | |
| 1.31 | Oct 25, 2024 | — | Nov 1, 2025 | — | EOL | |
| 1.30 | Aug 5, 2024 | — | Aug 22, 2025 | — | EOL | |
| 1.29 | Mar 18, 2024 | — | Mar 31, 2025 | — | EOL | |
| 1.28 | Nov 7, 2023 | — | Jan 31, 2025 | — | EOL | |
| 1.27 | Aug 16, 2023 | — | Jul 31, 2024 | — | EOL | |
| 1.26 | Apr 18, 2023 | — | Apr 11, 2024 | — | EOL | |
| 1.25 | Dec 14, 2022 | — | Jan 14, 2024 | — | EOL | |
| 1.24 | Aug 17, 2022 | — | Jul 31, 2023 | — | EOL | |
| 1.23 | Apr 26, 2022 | — | Apr 2, 2023 | — | EOL | |
| 1.22 | Jan 10, 2022 | — | Dec 4, 2022 | — | EOL | |
| 1.21 | Aug 18, 2021 | — | Jul 31, 2022 | — | EOL |
CVEs affecting Azure Kubernetes Service 1.x (0)
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[](https://eolcanary.com/explore/azure-kubernetes-service/1)Frequently asked questions
Is Azure Kubernetes Service 1 end of life?
Partially. 13 of the 16 Azure Kubernetes Service 1.x releases have reached end of life. Still supported: 1.36, 1.35, 1.34 (until June 30, 2027 at the latest).
What CVEs affect Azure Kubernetes Service 1?
No CVEs are currently tracked for Azure Kubernetes Service 1.x in the NVD data we monitor.
What is the latest Azure Kubernetes Service 1 version?
Check the version table above for the latest Azure Kubernetes Service 1.x patch release.
When was Azure Kubernetes Service 1 first released?
Azure Kubernetes Service 1.21 was released on August 18, 2021. See the full version timeline in the table above.
Is it safe to run Azure Kubernetes Service 1 in production?
Only on a supported release (1.36, 1.35, 1.34). Support for Azure Kubernetes Service 1.36 ends on June 30, 2027. Make sure you run the latest patch to have all security fixes applied.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA