{"affected": [{"affectedData": [{"product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 2004 for x64-based Systems", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}, {"product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 2004 for ARM64-based Systems", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}, {"product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 2004 for 32-bit Systems", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}, {"product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}, {"product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}, {"product": "Microsoft Edge (EdgeHTML-based) on 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"version": "unspecified"}]}, {"product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for x64-based Systems", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}, {"product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for ARM64-based Systems", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}, {"product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}, {"product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}, {"product": "Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "unspecified"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*", "matchCriteriaId": "77D197D7-57FB-4898-8C70-B19D5F0D5BE0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*", "matchCriteriaId": "7CB85C75-4D35-480E-843D-60579EC75FCB", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*", "matchCriteriaId": "6B8F3DD2-A145-4AF1-8545-CC42892DA3D1", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*", "matchCriteriaId": "3FB5CDAE-C713-4D9D-9D6A-2C2E8924A4BB", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*", "matchCriteriaId": "E9273B95-20ED-4547-B0A8-95AD15B30372", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*", "matchCriteriaId": "AAE74AF3-C559-4645-A6C0-25C3D647AAC8", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*", "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests, aka 'Microsoft Edge Information Disclosure Vulnerability'."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de divulgaci\u00f3n de informaci\u00f3n en la manera en que Microsoft Edge maneja las peticiones de origen cruzado, tambi\u00e9n se conoce como \"Microsoft Edge Information Disclosure Vulnerability\""}], "id": "CVE-2020-1242", "lastModified": "2026-06-17T03:00:53.293", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-06-09T20:15:16.257", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1242"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1242"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}