Azure Kubernetes Service 1.33 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Azure Kubernetes Service 1.33 reached end of life on 31 Jul 2026. Standard support is over — security updates now require extended support, which runs to 31 Jul 2027.
Support timeline
Official dates from the Azure Kubernetes Service release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 17 Jun 2025 | — |
| End of life | 31 Jul 2026 | 0.0 years ago |
| Extended support ends | 31 Jul 2027 | 356 days left |
| Latest release | — | final |
Where to go from 1.33
Recommended target: Azure Kubernetes Service 1.36 (supported until 30 Jun 2027).
The newest actively supported branch is Azure Kubernetes Service 1.36 (latest release ).
Frequently asked questions
Is Azure Kubernetes Service 1.33 still safe to use?
Azure Kubernetes Service 1.33 left standard support on 31 Jul 2026. It still receives security updates under extended support until 31 Jul 2027 — 356 days from now — but only if you are enrolled. Without it, no fixes reach you.
Can I still download Azure Kubernetes Service 1.33?
Yes — the final release (1.33) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Azure Kubernetes Service 1.33 to?
Upgrade to Azure Kubernetes Service 1.36, the newest actively supported branch (supported until 30 Jun 2027).