Vulnerability details

CVE-2026-76284

Splunk Enterprise

Improper Neutralization in Splunk Enterprise

CVSS 3.1
9.8Critical

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-2026-76284 are related to improper neutralization and are grouped under the Common Weakness Enumeration (CWE) CWE-707.

CVSS scores

ScoreVersionSourceVector
9.8Critical 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Splunk Splunk Enterprise 10.0 ≤ v < 10.0.10 CVEProject cvelistV5 (CNA)
Splunk Splunk Enterprise 10.2 ≤ v < 10.2.7 CVEProject cvelistV5 (CNA)
Splunk Splunk Enterprise 10.4 ≤ v < 10.4.3 CVEProject cvelistV5 (CNA)
Splunk Splunk Enterprise 9.4 ≤ v < 9.4.15 CVEProject cvelistV5 (CNA)

References and advisories

2
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Details

Published
2026-10-08
Last updated
2026-11-07
State
Published
Assigner (CNA)
cisco

Exploit prediction (EPSS)

0.45%
Probability of exploitation in 30 days
39.7%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-707
    The product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties at met before being read from an upstream component or sent to a downstream component.