{"id":"CVE-2026-76301","state":"PUBLISHED","title":"Security Hardening in Splunk Enterprise - October 2026","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-2026-76301 are related to protection mechanism failure and are grouped under the Common Weakness Enumeration (CWE) CWE-693.","publishedAt":"2026-10-21T22:52:02.970Z","updatedAt":"2026-10-28T02:04:50.054Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"cisco","products":["Splunk Splunk Enterprise"],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.4","status":"affected","lessThan":"10.4.4","versionType":"custom"},{"version":"10.2","status":"affected","lessThan":"10.2.8","versionType":"custom"},{"version":"10.0","status":"affected","lessThan":"10.0.11","versionType":"custom"},{"version":"9.4","status":"affected","lessThan":"9.4.16","versionType":"custom"}]}],"references":["https://advisory.splunk.com/advisories/SVD-2026-1008"],"weaknesses":["CWE-693"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76301.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76301","state":"PUBLISHED","datePublished":"2026-10-21T22:52:02.970Z","dateUpdated":"2026-10-28T02:04:50.054Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2026-08-19T12:02:03.623Z"},"containers":{"cna":{"title":"Security Hardening in Splunk Enterprise - October 2026","descriptions":[{"lang":"en","value":"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-2026-76301 are related to protection mechanism failure and are grouped under the Common Weakness Enumeration (CWE) CWE-693."}],"affected":[{"vendor":"Splunk","product":"Splunk Enterprise","versions":[{"version":"10.4","status":"affected","lessThan":"10.4.4","versionType":"custom"},{"version":"10.2","status":"affected","lessThan":"10.2.8","versionType":"custom"},{"version":"10.0","status":"affected","lessThan":"10.0.11","versionType":"custom"},{"version":"9.4","status":"affected","lessThan":"9.4.16","versionType":"custom"}]}],"references":[{"url":"https://advisory.splunk.com/advisories/SVD-2026-1008"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-693","lang":"en","type":"cwe","description":"The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product."}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-10-21T22:52:02.970Z"},"datePublic":"2026-10-21T00:00:00.000Z","source":{"advisory":"SVD-2026-1008","discovery":"INTERNAL"},"solutions":[{"lang":"en","value":"Upgrade Splunk Enterprise to versions 10.4.4, 10.2.8, 10.0.11, and 9.4.16 or higher."}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-28T02:04:11.894309Z","id":"CVE-2026-76301","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-28T02:04:50.054Z"}}]}}}