DEEN

Splunk end of life: end of support by version

Splunk Inc. (Cisco) · Monitoring & ITSM

For Splunk by Splunk Inc. (Cisco), patchletter knows 12 support cycles. 8 of them have already ended and receive no more security updates. The next support window closes on 16/12/2026, that is in 111 days. The current version of Splunk is 10.4.0. The cycles come from the open endoflife.date project, last reconciled on 26/08/2026.

When does support end for which Splunk version?

A cycle is a maintained version line. Where a date is given, support ends on that day — after it the vendor ships no more security updates for that line.

CycleLatest versionEnd of supportStatus
10.410.4.0630 days leftEOL 18 May 28
10.210.2.4506 days leftEOL 15 Jan 28
10.010.0.7335 days leftEOL 28 Jul 27
9.49.4.12111 days leftEOL 16 Dec
9.39.3.1334 days agoEnd of Life
9.29.2.12208 days agoEnd of Life
9.19.1.10425 days agoEnd of Life
9.09.0.10804 days agoEnd of Life
8.28.2.121203 days agoEnd of Life
8.18.1.141226 days agoEnd of Life
8.08.0.101770 days agoEnd of Life
7.37.3.91770 days agoEnd of Life

Which Splunk versions no longer receive security updates?

8 of 12 cycles have ended. If you run one of those lines, the vendor ships you no more patches — not even for critical flaws.

  • Splunk 9.39.3.13
  • Splunk 9.29.2.12
  • Splunk 9.19.1.10
  • Splunk 9.09.0.10
  • Splunk 8.28.2.12
  • Splunk 8.18.1.14
  • Splunk 8.08.0.10
  • Splunk 7.37.3.9

Where does the EOL data for Splunk come from?

From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the Splunk data is as of 26/08/2026. In case of doubt the vendor's own lifecycle page applies — patchletter deliberately stores no vendor full texts.

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