All vulnerabilities
CVE-2026-76283

Protection Mechanism Failure in Splunk Enterprise

Splunk Splunk EnterpriseApplications & CMS
Open in ThreatlineRecord JSON
CVSS
7.6High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.19%Chance of exploitation activity in the next 30 days, higher than 8% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.4.3Also 10.2.7, 10.0.10 and 1 moreCVE List
Published7 Oct 2026Updated 16 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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-2026-76283 are related to protection mechanism failure and are grouped under the Common Weakness Enumeration (CWE) CWE-693.

Text from CVE List

Affected versions 4

  • Splunk Enterpriseaffected: 10.4 before 10.4.3CVE List
  • Splunk Enterpriseaffected: 10.2 before 10.2.7CVE List
  • Splunk Enterpriseaffected: 10.0 before 10.0.10CVE List
  • Splunk Enterpriseaffected: 9.4 before 9.4.15CVE List

References 1