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 66 days. The current version of Splunk is 10.4.0. The cycles come from the open endoflife.date project, last reconciled on 30/09/2026.

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
10.410.4.0585 days leftEOL 18 May 28
10.210.2.4461 days leftEOL 15 Jan 28
10.010.0.7290 days leftEOL 28 Jul 27
9.49.4.1266 days leftEOL in 66 days
9.39.3.1379 days agoEnd of Life
9.29.2.12253 days agoEnd of Life
9.19.1.10470 days agoEnd of Life
9.09.0.10849 days agoEnd of Life
8.28.2.121107 days agoEnd of Life
8.18.1.141271 days agoEnd of Life
8.08.0.101815 days agoEnd of Life
7.37.3.91815 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 30/09/2026. In case of doubt the vendor's own lifecycle page applies — patchletter deliberately stores no vendor full texts.

New Splunk versions by email

Tick the product and patchletter reports new releases by email. The update email costs nothing, and one click stops it again. The warning 90, 30 and 7 days before support ends is part of patchletter Pro.