# CVE-2026-76299: Security Hardening in Splunk Enterprise - October 2026

> CVE-2026-76299: Security Hardening in Splunk Enterprise - October 2026. CVSS 9.9 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-76299
Last updated: 2026-10-22T16:57:10Z

- Published: 2026-10-21 22:52 UTC · Updated: 2026-10-22 16:57 UTC · Assigner: cisco
- CVSS: 9.9 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS: 0.33%, 26th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-284

## 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-2026-76299 are related to improper access control and are grouped under the Common Weakness Enumeration (CWE) CWE-284.

## Affected vendors and products

- Splunk: Splunk Enterprise

## Tracked companies

- [Splunk](https://rewindex.com/company/splunk.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-76299)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-76299)
- [https://advisory.splunk.com/advisories/SVD-2026-1008](https://advisory.splunk.com/advisories/SVD-2026-1008)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-76299 · Markdown: https://rewindex.com/cve/CVE-2026-76299.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-76299 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:13:28.058Z