Splunk End of Life: The Two-Year Clock on Every Version
Splunk Enterprise versions get almost exactly two years of support from release — and Splunk 9.3 reaches end of support on July 24, 2026, with 9.4 following on December 16, 2026. The two-year rhythm is unusually strict: where enterprise platforms often run five- or ten-year lifecycles, a Splunk deployment left alone for thirty months is guaranteed to be unsupported. Version currency isn't an occasional project on Splunk — it's a standing operational obligation.
The stakes are higher than most platforms, too: Splunk is the security telemetry backbone in many organizations. An unsupported SIEM is a quiet contradiction — the system watching for intrusions no longer receives patches for its own vulnerabilities, and auditors increasingly know to ask about it.
Splunk Enterprise End-of-Life Table
| Version | Released | End of support | Status |
|---|---|---|---|
| Splunk Enterprise 10.4 | May 18, 2026 | May 18, 2028 | Supported |
| Splunk Enterprise 10.2 | Jan 15, 2026 | Jan 15, 2028 | Supported |
| Splunk Enterprise 10.0 | Jul 28, 2025 | Jul 28, 2027 | Supported |
| Splunk Enterprise 9.4 | Dec 16, 2024 | Dec 16, 2026 | Supported |
| Splunk Enterprise 9.3 | Jul 24, 2024 | Jul 24, 2026 | Supported |
| Splunk Enterprise 9.2 | Jan 31, 2024 | Jan 31, 2026 | EOL |
| Splunk Enterprise 9.1 | Jun 28, 2023 | Jun 28, 2025 | EOL |
| Splunk Enterprise 9.0 | Jun 14, 2022 | Jun 14, 2024 | EOL |
| Splunk Enterprise 8.2 | May 12, 2021 | May 12, 2023 | EOL |
| Splunk Enterprise 8.1 | Oct 20, 2020 | Apr 19, 2023 | EOL |
| Splunk Enterprise 8.0 | Oct 22, 2019 | Oct 22, 2021 | EOL |
| Splunk Enterprise 7.3 | Jun 4, 2019 | Oct 22, 2021 | EOL |
| Splunk Enterprise 7.2 | Oct 2, 2018 | Apr 30, 2021 | EOL |
| Splunk Enterprise 7.1 | Apr 24, 2018 | Oct 31, 2020 | EOL |
| Splunk Enterprise 7.0 | Sep 26, 2017 | Jan 31, 2020 | EOL |
Per-version pages: endoflife.ai/splunk.
Living with the two-year clock
- Adopt a cadence, not a project: one planned Splunk upgrade per year keeps you permanently inside the window; upgrading only when forced guarantees emergency work on your SIEM.
- Mind the app layer: premium apps and add-ons certify against specific Splunk versions — check compatibility before the platform upgrade, not after.
- Splunk Cloud sidesteps the clock — version currency becomes Splunk's job, which is a real (if not free) answer to the treadmill.
- Watch the estate: track versions with the Checker or API, and catch upcoming dates on EOL Watch — with a two-year cycle, the next deadline is always closer than it feels.
Frequently Asked Questions
How long does Splunk support each version?
Almost exactly two years from release. Splunk 9.2 (January 2024) ended January 2026; 9.3 ends July 24, 2026; 9.4 ends December 16, 2026; the 10.x line runs two years from each release on the same clock.
When does Splunk 9.x reach end of support?
Version by version: 9.2 ended January 31, 2026; 9.3 ends July 24, 2026; 9.4 ends December 16, 2026 — after which the entire 9.x line is unsupported and 10.x is the only supported family.
What happens when a Splunk version leaves support?
No more security patches or fixes, and support cases require upgrading first. Because Splunk is often the security-monitoring backbone, an unsupported version is both an operational risk and an audit finding — the tool watching for intrusions no longer receives patches for its own flaws.
How do teams keep up with Splunk's two-year lifecycle?
Treat upgrades as an annual cadence rather than a reactive project, verify app and add-on compatibility before each platform move, or move to Splunk Cloud where version currency is managed for you.