Vulnerability in Splunk Enterprise

[ Why it matters ]Priority signals

• Critical severity: CVSS 9.8

[ Description ]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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• NCSC-NL9 Oct 2026NCSC-2026-0412

  Vulnerabilities fixed in Splunk Enterprise Translated from Dutch

  Probability/damage M/HCVE-2026-76264CVE-2026-76265CVE-2026-76266+19 more CVEs
• CERT-FR8 Oct 2026CERTFR-2026-AVI-1281

  Multiple vulnerabilities in Splunk products Translated from French

  Multiple vulnerabilities have been discovered in Splunk products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and a breach of data confidentiality.

  CVE-2026-26007CVE-2025-61730CVE-2025-58190+80 more CVEs
• BSI CERT-Bund7 Oct 2026WID-SEC-2026-3799

  Splunk Enterprise: Multiple vulnerabilities Translated from German

  CVE-2026-76272CVE-2026-76267CVE-2026-76284+19 more CVEs

[ References ]References

• advisory.splunk.com/advisories/SVD-2026-1002Vendor Advisory