As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76300 are related to improper control of a resource through its lifetime and are grouped under the Common Weakness Enumeration (CWE) CWE-664.

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Vendors Products
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Advisories

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Fixes

Solution

Upgrade Splunk Enterprise to versions 10.4.4, 10.2.8, 10.0.11, and 9.4.16 or higher.


Workaround

No workaround given by the vendor.

History

Thu, 22 Oct 2026 07:45:00 +0000

Type Values Removed Values Added
First Time appeared Splunk
Splunk splunk Enterprise
Vendors & Products Splunk
Splunk splunk Enterprise

Wed, 21 Oct 2026 23:00:00 +0000

Type Values Removed Values Added
Description As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76300 are related to improper control of a resource through its lifetime and are grouped under the Common Weakness Enumeration (CWE) CWE-664.
Title Security Hardening in Splunk Enterprise - October 2026
Weaknesses CWE-664
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-10-21T22:52:02.038Z

Reserved: 2026-08-19T12:02:03.623Z

Link: CVE-2026-76300

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-21T23:17:28.050

Modified: 2026-10-21T23:17:28.050

Link: CVE-2026-76300

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T07:30:08Z

Weaknesses