CVE-2026-76300 Security Hardening in Splunk Enterprise - October 2026
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-76300?
CVE-2026-76300 is a high-severity vulnerability in Splunk Enterprise, published on 21 Oct 2026.
Official 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.
Weakness: CWE-664
Which versions are affected by CVE-2026-76300?
How do I fix CVE-2026-76300?
No fix has been published for CVE-2026-76300 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76300 being exploited?
There is no known exploitation of CVE-2026-76300 in the wild and no public exploit code.
Sources
Also known as GHSA-g462-7qj6-4f59.