{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2237:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "product": "Windows 10 Version 1809", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.17763.2237", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "product": "Windows Server 2019", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.17763.2237", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "product": "Windows Server 2019 (Server Core installation)", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.17763.2237", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1854:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "product": "Windows 10 Version 1909", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.18363.1854", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1288:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "product": "Windows 10 Version 21H1", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19043.1288", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "product": "Windows Server 2022", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.20348.288", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1288:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "product": "Windows 10 Version 2004", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19041.1288", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1288:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "product": "Windows Server version 2004", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19041.1288", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1288:*:*:*:*:*:*:*"], "platforms": ["x64-based Systems"], "product": "Windows Server version 20H2", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.19042.1288", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.258:*:*:*:*:*:x64:*"], "platforms": ["x64-based Systems"], "product": "Windows 11 version 21H2", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.22000.258", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*", "matchCriteriaId": "21074553-EDF2-468D-8E79-C39851B5BC79", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*", "matchCriteriaId": "F8C238FA-B20F-40A5-B861-A8295858F4BE", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*", "matchCriteriaId": "6CF580BA-6938-40F6-9D86-F43044A6BACA", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*", "matchCriteriaId": "61F0792D-7587-4297-8EE7-D4DC3A30EE84", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*", "matchCriteriaId": "09D9A720-8D3C-4699-AC57-CB4531E5BFEB", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*", "matchCriteriaId": "5D7F7DDB-440E-42CD-82F4-B2C13F3CC462", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*", "matchCriteriaId": "1EAF6DBA-6E3A-4854-BFBF-B5DC36CE5929", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*", "matchCriteriaId": "0B60D940-80C7-49F0-8F4E-3F99AC15FA82", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*", "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "1F0241B0-855A-489C-9AAE-68BC2556F24D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Windows Hyper-V Remote Code Execution Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de ejecuci\u00f3n de c\u00f3digo remota de Windows Hyper-V. Este ID de CVE es diferente de CVE-2021-38672"}], "id": "CVE-2021-40461", "lastModified": "2026-06-17T04:06:57.810", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 5.2, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 5.1, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 6.0, "source": "secure@microsoft.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2021-10-13T01:15:10.093", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40461"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40461"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}