{"id":"CVE-2026-21400","state":"PUBLISHED","title":"Protection mechanism failure for some Intel(R) AI Reference Models before version v3.4.1 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged softwar","description":"Protection mechanism failure for some Intel(R) AI Reference Models before version v3.4.1 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires passive user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.","publishedAt":"2026-08-11T16:27:33.411Z","updatedAt":"2026-08-12T15:28:25.452Z","severity":{"score":5.4,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"intel"},"assigner":"intel","products":["n/a Intel(R) AI Reference Models"],"affected":[{"vendor":"n/a","product":"Intel(R) AI Reference Models","defaultStatus":"unaffected","versions":[{"version":"before version v3.4.1","status":"affected"}]}],"references":["https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01432.html"],"weaknesses":["CWE-693"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/21xxx/CVE-2026-21400.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21400","state":"PUBLISHED","datePublished":"2026-08-11T16:27:33.411Z","dateUpdated":"2026-08-12T15:28:25.452Z","assignerShortName":"intel","assignerOrgId":"6dda929c-bb53-4a77-a76d-48e79601a1ce","dateReserved":"2026-01-13T04:00:20.818Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Protection mechanism failure for some Intel(R) AI Reference Models before version v3.4.1 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with a privileged user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires passive user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts."}],"affected":[{"vendor":"n/a","product":"Intel(R) AI Reference Models","defaultStatus":"unaffected","versions":[{"version":"before version v3.4.1","status":"affected"}]}],"references":[{"url":"https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01432.html","name":"https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01432.html"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"version":"4.0","baseScore":5.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Escalation of Privilege"},{"cweId":"CWE-693","lang":"en","description":"Protection Mechanism Failure","type":"CWE"}]}],"providerMetadata":{"shortName":"intel","orgId":"6dda929c-bb53-4a77-a76d-48e79601a1ce","dateUpdated":"2026-08-11T16:27:33.411Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T15:28:07.082322Z","id":"CVE-2026-21400","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-693","type":"CWE","lang":"en","description":"CWE-693 Protection Mechanism Failure"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-12T15:28:25.452Z"}}]}}}