Splunk Enterprise and Cloud Platform
CVE-2025-20386: Incorrect permission assignment on Splunk Enterprise for Windows during new installation or upgrade
In Splunk Enterprise for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Splunk Enterprise for Windows Installation directory.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Splunk Enterprise 10.0 | 10.0.2 or later |
| Splunk Enterprise 9.4 | 9.4.6 or later |
| Splunk Enterprise 9.3 | 9.3.8 or later |
| Splunk Enterprise 9.2 | 9.2.10 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
In Splunk Enterprise for Windows versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, a new installation of or an upgrade to an affected version can result in incorrect permissions assignment in the Splunk Enterprise for Windows Installation directory. This lets non-administrator users on the machine access the directory and all its contents.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.