{"affected": [{"affectedData": [{"platforms": ["Unknown"], "product": "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)", "vendor": "Microsoft", "versions": [{"lessThan": "16.9.17", "status": "affected", "version": "15.0.0", "versionType": "custom"}]}, {"platforms": ["Unknown"], "product": "Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)", "vendor": "Microsoft", "versions": [{"lessThan": "16.11.10", "status": "affected", "version": "16.11.0", "versionType": "custom"}]}, {"platforms": ["Unknown"], "product": "Microsoft Visual Studio 2022 version 17.0", "vendor": "Microsoft", "versions": [{"lessThan": "17.0.6", "status": "affected", "version": "17.0.0", "versionType": "custom"}]}, {"platforms": ["Unknown"], "product": "Visual Studio 2019 for Mac version 8.10", "vendor": "Microsoft", "versions": [{"lessThan": "8.10.18", "status": "affected", "version": "8.1.0", "versionType": "custom"}]}, {"platforms": ["Unknown"], "product": ".NET 5.0", "vendor": "Microsoft", "versions": [{"lessThan": "5.0.14", "status": "affected", "version": "5.0.0", "versionType": "custom"}]}, {"platforms": ["Unknown"], "product": ".NET 6.0", "vendor": "Microsoft", "versions": [{"lessThan": "6.0.2", "status": "affected", "version": "6.0.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "matchCriteriaId": "784A6ABC-33DC-4E8E-9236-60B1D06F97A3", "versionEndExcluding": "5.0.14", "versionStartIncluding": "5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "matchCriteriaId": "44F0F99C-213A-405F-878D-752EC049D66E", "versionEndExcluding": "6.0.2", "versionStartIncluding": "6.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:macos:*:*", "matchCriteriaId": "E52E5F11-3D97-4755-B49E-2E3C2CCAA365", "versionEndExcluding": "8.10.18", "versionStartIncluding": "8.10", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*", "matchCriteriaId": "C9984FFB-8AFA-438F-B762-B98649B64B23", "versionEndIncluding": "16.11", "versionStartIncluding": "16.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "EAA3B633-7F8C-40C4-9AA5-0CF3BFE2C17D", "versionEndExcluding": "17.0.6", "versionStartIncluding": "17.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": ".NET Denial of Service Vulnerability"}, {"lang": "es", "value": "Una Vulnerabilidad de Denegaci\u00f3n de Servicio en .NET"}], "id": "CVE-2022-21986", "lastModified": "2026-10-08T22:17:16.133", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "secure@microsoft.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-21986", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-08T21:14:08.284848Z", "version": "2.0.3"}}]}, "published": "2022-02-09T17:15:08.907", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21986"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21986"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}