Splunk Enterprise 10.4.3 Improper Neutralization Vulnerability
CVE-2026-76284 Published on October 7, 2026
Improper Neutralization in Splunk Enterprise
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-2026-76284 are related to improper neutralization and are grouped under the Common Weakness Enumeration (CWE) CWE-707.
Vulnerability Analysis
CVE-2026-76284 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Improper Neutralization
The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties are met before being read from an upstream component or sent to a downstream component.
Products Associated with CVE-2026-76284
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Affected Versions
Splunk Enterprise:- Version 10.4 and below 10.4.3 is affected.
- Version 10.2 and below 10.2.7 is affected.
- Version 10.0 and below 10.0.10 is affected.
- Version 9.4 and below 9.4.15 is affected.