{"id":"CVE-2026-20712","state":"PUBLISHED","title":"Incomplete cleanup in some UEFI firmware for some Intel(R) reference platforms within UEFI may allow an information disclosure. System software adversary with a privileged user com","description":"Incomplete cleanup in some UEFI firmware for some Intel(R) reference platforms within UEFI may allow an information disclosure. System software adversary with a privileged user combined with a low complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are 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":"2026-08-11T17:39:06.609Z","updatedAt":"2026-08-12T13:36:09.278Z","severity":{"score":4,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/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) reference platforms"],"affected":[{"vendor":"n/a","product":"Intel(R) reference platforms","defaultStatus":"unaffected","versions":[{"version":"See references","status":"affected"}]}],"references":["https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01437.html"],"weaknesses":["CWE-459"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20712.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20712","state":"PUBLISHED","datePublished":"2026-08-11T17:39:06.609Z","dateUpdated":"2026-08-12T13:36:09.278Z","assignerShortName":"intel","assignerOrgId":"6dda929c-bb53-4a77-a76d-48e79601a1ce","dateReserved":"2025-12-03T17:58:55.176Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Incomplete cleanup in some UEFI firmware for some Intel(R) reference platforms within UEFI may allow an information disclosure. System software adversary with a privileged user combined with a low complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are 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) reference platforms","defaultStatus":"unaffected","versions":[{"version":"See references","status":"affected"}]}],"references":[{"url":"https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01437.html","name":"https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01437.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:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"PRESENT","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-459","lang":"en","description":"Incomplete Cleanup","type":"CWE"}]}],"providerMetadata":{"shortName":"intel","orgId":"6dda929c-bb53-4a77-a76d-48e79601a1ce","dateUpdated":"2026-08-11T17:39:06.609Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-12T13:35:43.597959Z","id":"CVE-2026-20712","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-459","type":"CWE","lang":"en","description":"CWE-459 Incomplete Cleanup"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-12T13:36:09.278Z"}}]}}}