{"id":"CVE-2026-76301","title":"Security Hardening in Splunk Enterprise - October 2026","summary":"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 discov…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"adp","cwe":["CWE-693"],"vendor":"Splunk","product":"Splunk Enterprise","affected":["enterprise >= 10.4 < 10.4.4","enterprise >= 10.2 < 10.2.8","enterprise >= 10.0 < 10.0.11","enterprise >= 9.4 < 9.4.16"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-28T02:04:11.894309Z"},"published":"2026-10-21","updated":"2026-10-28","sourceUpdated":"2026-10-28T02:04:50.054Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-76301","references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1008"}],"tags":["cve.org"],"epss":0.0017,"epssPercentile":0.0634,"ingestedAt":"2026-10-21T23:20:10.325Z","slug":"CVE-2026-76301","body":"## Overview\n\nAs 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-2026-76301 are related to protection mechanism failure and are grouped under the Common Weakness Enumeration (CWE) CWE-693.\n\n## Affected\n\n- `enterprise >= 10.4 < 10.4.4`\n- `enterprise >= 10.2 < 10.2.8`\n- `enterprise >= 10.0 < 10.0.11`\n- `enterprise >= 9.4 < 9.4.16`\n\n## Remediation\n\nUpgrade Splunk Enterprise to versions 10.4.4, 10.2.8, 10.0.11, and 9.4.16 or higher.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":230531,"id":"CVE-2026-76301","ts":1793156613144,"field":"cvss","old":null,"new":"9.8"},{"seq":230530,"id":"CVE-2026-76301","ts":1793156613144,"field":"severity","old":"none","new":"critical"}]}