{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-04T06:48:09.371","vulnerabilities":[{"cve":{"id":"CVE-2026-21247","sourceIdentifier":"secure@microsoft.com","published":"2026-02-10T18:16:26.180","lastModified":"2026-02-11T20:45:56.220","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally."},{"lang":"es","value":"Validación de entrada incorrecta en Windows Hyper-V permite a un atacante autorizado ejecutar código localmente."}],"metrics":{"cvssMetricV31":[{"source":"secure@microsoft.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","baseScore":7.3,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.3,"impactScore":5.9}]},"weaknesses":[{"source":"secure@microsoft.com","type":"Secondary","description":[{"lang":"en","value":"CWE-20"},{"lang":"en","value":"CWE-122"},{"lang":"en","value":"CWE-125"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.14393.8868","matchCriteriaId":"E78A20FD-B910-43DF-BE89-E971E2FD0049"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.17763.8389","matchCriteriaId":"C09C54DA-6AB0-4696-A2F2-C11CFC292EA9"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.19044.6937","matchCriteriaId":"893DBA65-116B-4AE0-80E1-50458CB5FDAD"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.19045.6937","matchCriteriaId":"F54B0C64-9A1F-470B-9824-322CF362507F"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*","versionEndExcluding":"10.0.22631.6649","matchCriteriaId":"B273EF5A-3157-4842-AE91-CEC289813902"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.22631.6649","matchCriteriaId":"CD2513FC-D399-4DBF-921F-13B4D1497127"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*","versionEndExcluding":"10.0.26100.7781","matchCriteriaId":"B08450A0-0F7E-4A05-8989-900221992766"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.26100.7781","matchCriteriaId":"9D30B348-DAE7-43EC-85FA-38E1715258A9"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*","versionEndExcluding":"10.0.26200.7781","matchCriteriaId":"8F23FFCF-9C69-4D27-AF21-D09A6041AA3A"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*","versionEndExcluding":"10.0.26200.7781","matchCriteriaId":"D1D93202-BDDB-438F-934E-1FE904B3651B"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.14393.8868","matchCriteriaId":"E21BC97D-1C11-41FD-9A20-34A2BC535BD9"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.17763.8389","matchCriteriaId":"B6E3E93E-8160-4BFB-B5CB-85740922CF7E"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.20348.4711","matchCriteriaId":"9E19FC4B-C3CC-4924-9A0B-5E4F100280D4"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.25398.2149","matchCriteriaId":"F0EA3C51-C3FE-494A-92D9-D3B1C301CB54"},{"vulnerable":true,"criteria":"cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*","versionEndExcluding":"10.0.26100.32313","matchCriteriaId":"33AF95F4-504F-40EF-9F64-5D6F7B40114F"}]}]}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21247","source":"secure@microsoft.com","tags":["Vendor Advisory"]}]}}]}