{"id":"CVE-2026-20917","state":"PUBLISHED","title":"Exposure of sensitive information caused by incorrect data forwarding during transient execution for some Intel(R) Processors within Ring 0: Hypervisor and Kernel may allow informa","description":"Exposure of sensitive information caused by incorrect data forwarding during transient execution for some Intel(R) Processors within Ring 0: Hypervisor and Kernel may allow information disclosure. System software adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (none) and availability (none) impacts.","publishedAt":"2026-08-11T17:37:03.731Z","updatedAt":"2026-08-12T13:02:15.599Z","severity":{"score":4,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","source":"intel"},"assigner":"intel","products":["n/a Intel(R) Processors"],"affected":[{"vendor":"n/a","product":"Intel(R) Processors","defaultStatus":"unaffected","versions":[{"version":"See references","status":"affected"}]}],"references":["https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01423.html"],"weaknesses":["CWE-1422"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20917.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20917","state":"PUBLISHED","datePublished":"2026-08-11T17:37:03.731Z","dateUpdated":"2026-08-12T13:02:15.599Z","assignerShortName":"intel","assignerOrgId":"6dda929c-bb53-4a77-a76d-48e79601a1ce","dateReserved":"2025-12-09T04:00:18.778Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Exposure of sensitive information caused by incorrect data forwarding during transient execution for some Intel(R) Processors within Ring 0: Hypervisor and Kernel may allow information disclosure. System software adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (none) and availability (none) impacts."}],"affected":[{"vendor":"n/a","product":"Intel(R) Processors","defaultStatus":"unaffected","versions":[{"version":"See references","status":"affected"}]}],"references":[{"url":"https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01423.html","name":"https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01423.html"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"version":"4.0","baseScore":4,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Information Disclosure"},{"cweId":"CWE-1422","lang":"en","description":"Exposure of Sensitive Information caused by Incorrect Data Forwarding during Transient Execution","type":"CWE"}]}],"providerMetadata":{"shortName":"intel","orgId":"6dda929c-bb53-4a77-a76d-48e79601a1ce","dateUpdated":"2026-08-11T17:37:03.731Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T13:01:56.599597Z","id":"CVE-2026-20917","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1422","type":"CWE","lang":"en","description":"CWE-1422 Exposure of Sensitive Information caused by Incorrect Data Forwarding during Transient Execution"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-12T13:02:15.599Z"}}]}}}