{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-65810", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-07-22T21:36:47.630Z", "datePublished": "2026-08-11T17:07:00.409Z", "dateUpdated": "2026-08-12T00:01:05.742Z"}, "containers": {"cna": {"title": ".NET Framework Elevation of Privilege Vulnerability", "datePublic": "2026-08-11T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net_framework:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8.0.0", "versionEndExcluding": "4.8.9344.0"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5.0", "versionEndExcluding": "2.0.50727.9183 & 3.0.30729.9169"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8.0", 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{}

{"affected": [{"affectedData": [{"platforms": ["Windows 11 Version 26H1 for ARM64-based Systems", "Windows 11 version 26H1 for x64-based Systems", "Windows Server 2012", "Windows Server 2012 (Server Core installation)", "Windows Server 2012 R2", "Windows Server 2012 R2 (Server Core installation)"], "product": "Microsoft .NET Framework 3.5", "vendor": "Microsoft", "versions": [{"lessThan": "2.0.50727.9183 & 3.0.30729.9169", "status": "affected", "version": "3.5.0", "versionType": "custom"}]}, {"platforms": ["Windows 10 Version 1607 for 32-bit Systems", "Windows 10 Version 1607 for x64-based Systems", "Windows Server 2016", "Windows Server 2016 (Server Core installation)"], "product": "Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2", "vendor": "Microsoft", "versions": [{"lessThan": "2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0", "status": "affected", "version": "3.0.0.0", "versionType": "custom"}]}, {"platforms": ["Windows 10 Version 1809 for 32-bit Systems", "Windows 10 Version 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"version": "4.8.0", "versionType": "custom"}]}, {"platforms": ["Windows 11 Version 26H1 for ARM64-based Systems", "Windows 11 version 26H1 for x64-based Systems"], "product": "Microsoft .NET Framework 4.8.1", "vendor": "Microsoft", "versions": [{"lessThan": "4.8.9344.0", "status": "affected", "version": "4.8.0.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Relative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally."}], "id": "CVE-2026-65810", "lastModified": "2026-08-11T18:53:42.910", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Primary"}]}, "published": "2026-08-11T17:19:00.570", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65810"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-23"}], "source": "secure@microsoft.com", "type": "Primary"}]}

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