{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76498","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","state":"PUBLISHED","assignerShortName":"cisco","dateReserved":"2026-08-19T12:02:03.641Z","datePublished":"2026-10-07T16:17:25.677Z","dateUpdated":"2026-10-07T18:05:21.481Z"},"containers":{"cna":{"title":"Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Improper Access Control Vulnerabilities","metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"descriptions":[{"lang":"en","value":"As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Application Policy Infrastructure Controller (APIC) engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-76498 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284."}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-apic-UOXWtfh","name":"cisco-sa-hardening-apic-UOXWtfh"}],"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."}],"source":{"advisory":"cisco-sa-hardening-apic-UOXWtfh","discovery":"INTERNAL","defects":["CSCwu76890"]},"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Access Control","type":"cwe","cweId":"CWE-284"}]}],"affected":[{"vendor":"Cisco","product":"Cisco Application Policy Infrastructure Controller (APIC)","versions":[{"version":"5.2(1g)","status":"affected"},{"version":"5.2(2e)","status":"affected"},{"version":"5.2(2f)","status":"affected"},{"version":"5.2(2g)","status":"affected"},{"version":"5.2(2h)","status":"affected"},{"version":"5.2(3f)","status":"affected"},{"version":"5.2(3e)","status":"affected"},{"version":"5.2(3g)","status":"affected"},{"version":"5.2(4d)","status":"affected"},{"version":"5.2(4e)","status":"affected"},{"version":"5.2(5d)","status":"affected"},{"version":"5.2(5c)","status":"affected"},{"version":"6.0(1g)","status":"affected"},{"version":"5.2(5e)","status":"affected"},{"version":"5.2(4f)","status":"affected"},{"version":"5.2(6e)","status":"affected"},{"version":"6.0(1j)","status":"affected"},{"version":"5.2(6g)","status":"affected"},{"version":"5.2(7f)","status":"affected"},{"version":"5.2(7g)","status":"affected"},{"version":"6.0(2h)","status":"affected"},{"version":"5.2(6h)","status":"affected"},{"version":"5.2(4h)","status":"affected"},{"version":"5.2(8d)","status":"affected"},{"version":"6.0(2j)","status":"affected"},{"version":"5.2(8e)","status":"affected"},{"version":"6.0(3d)","status":"affected"},{"version":"6.0(3e)","status":"affected"},{"version":"5.2(8f)","status":"affected"},{"version":"5.2(8g)","status":"affected"},{"version":"5.3(1d)","status":"affected"},{"version":"5.2(8h)","status":"affected"},{"version":"6.0(4c)","status":"affected"},{"version":"5.3(2a)","status":"affected"},{"version":"5.2(8i)","status":"affected"},{"version":"6.0(5h)","status":"affected"},{"version":"5.3(2b)","status":"affected"},{"version":"6.0(3g)","status":"affected"},{"version":"6.0(5j)","status":"affected"},{"version":"5.3(2c)","status":"affected"},{"version":"6.0(6c)","status":"affected"},{"version":"6.1(1f)","status":"affected"},{"version":"6.0(7e)","status":"affected"},{"version":"5.3(2d)","status":"affected"},{"version":"6.0(8d)","status":"affected"},{"version":"6.0(8e)","status":"affected"},{"version":"6.1(2f)","status":"affected"},{"version":"6.0(8f)","status":"affected"},{"version":"5.3(2e)","status":"affected"},{"version":"6.1(2g)","status":"affected"},{"version":"5.3(2f)","status":"affected"},{"version":"6.0(9c)","status":"affected"},{"version":"6.1(3f)","status":"affected"},{"version":"6.0(9d)","status":"affected"},{"version":"6.0(6g)","status":"affected"},{"version":"6.0(6h)","status":"affected"},{"version":"6.0(8h)","status":"affected"},{"version":"6.1(3g)","status":"affected"},{"version":"6.1(4h)","status":"affected"},{"version":"6.0(9e)","status":"affected"},{"version":"6.1(5e)","status":"affected"},{"version":"6.2(1f)","status":"affected"},{"version":"6.2(1g)","status":"affected"},{"version":"6.0(9f)","status":"affected"},{"version":"6.2(2e)","status":"affected"}],"defaultStatus":"unknown"}],"providerMetadata":{"orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco","dateUpdated":"2026-10-07T16:17:25.677Z"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-07T18:03:47.917127Z","id":"CVE-2026-76498","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-07T18:05:21.481Z"}}]}}