{
  "cveId": "CVE-2020-1046",
  "url": "https://patchblox.com/security/cve/CVE-2020-1046",
  "summary": "CVE-2020-1046 is fixed in 44 products on 1 platform, first by KB4571694, released August 11, 2020. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": ".NET Framework Remote Code Execution Vulnerability",
  "description": "\u003Cp\u003EA remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker would need to be able to upload a specially crafted file to a web application.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by correcting how .NET Framework processes input.\u003C/p\u003E",
  "published": "2020-08-11T12:00:00Z",
  "severity": "Critical",
  "epss": 0.03763,
  "epssPercentile": 0.89972,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1046",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4570503",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570503",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4570509",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570509",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4570503",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570503",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2",
      "fixedVersion": "",
      "fix": "KB4570509",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570509",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4570505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570505",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4570505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570505",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4570505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570505",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019",
      "fixedVersion": "",
      "fix": "KB4570505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570505",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4570505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570505",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4570505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570505",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4570505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570505",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019",
      "fixedVersion": "",
      "fix": "KB4570505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570505",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4570505",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570505",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.3866",
      "fix": "KB4571694",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571694",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.3866",
      "fix": "KB4571694",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571694",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.2045",
      "fix": "KB4571741",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571741",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for ARM64-based Systems",
      "fixedVersion": "16299.2045",
      "fix": "KB4571741",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571741",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.2045",
      "fix": "KB4571741",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571741",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.1667",
      "fix": "KB4571709",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571709",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for ARM64-based Systems",
      "fixedVersion": "17134.1667",
      "fix": "KB4571709",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571709",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.1667",
      "fix": "KB4571709",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571709",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4569751",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569751",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4569751",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569751",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4569751",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569751",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1909 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4569751",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569751",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1909 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4569751",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569751",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 1909 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4569751",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569751",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 2004 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB4569745",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569745",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 2004 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB4569745",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569745",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 Version 2004 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB4569745",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569745",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.18666",
      "fix": "KB4571692",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571692",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems",
      "fixedVersion": "10240.18666",
      "fix": "KB4571692",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571692",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4570508",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570508",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4570502",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570502",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4570508",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570508",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4570502",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570502",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4570507",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570507",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4570501",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570501",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4570507",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570507",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4570501",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570501",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4570508",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570508",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4570502",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570502",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4570508",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570508",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4570502",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570502",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2016",
      "fixedVersion": "14393.3866",
      "fix": "KB4571694",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571694",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2016  (Server Core installation)",
      "fixedVersion": "14393.3866",
      "fix": "KB4571694",
      "url": "https://patchblox.com/security/fix/microsoft/kb4571694",
      "released": "2020-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server, version 1903 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4569751",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569751",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server, version 1909 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4569751",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569751",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server, version 2004 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4569745",
      "url": "https://patchblox.com/security/fix/microsoft/kb4569745",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4570506",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570506",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4570500",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570500",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4570506",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570506",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4570500",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570500",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4570506",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570506",
      "released": "2020-08-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4570500",
      "url": "https://patchblox.com/security/fix/microsoft/kb4570500",
      "released": "2020-08-11T12:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}