{
  "cveId": "CVE-2026-70035",
  "url": "https://patchblox.com/security/cve/CVE-2026-70035",
  "summary": "CVE-2026-70035 is fixed in 36 products on 2 platforms, first by Microsoft .NET Windows Desktop Runtime 10.0 10.0.13, released October 4, 2026. 3 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: High.",
  "title": ".NET Framework Remote Code Execution Vulnerability",
  "description": "\u003Cp\u003EDeserialization of untrusted data in .NET Framework allows an unauthorized attacker to execute code over a network.\u003C/p\u003E",
  "published": "2026-10-13T07:00:00Z",
  "severity": "Important",
  "cvss": 8.8,
  "cwe": "Deserialization of Untrusted Data",
  "epss": 0.01435,
  "epssPercentile": 0.73263,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70035",
  "fixes": [
    {
      "platform": "microsoft",
      "product": ".NET 10.0 runtime installed on Windows",
      "fixedVersion": "",
      "fix": "KB5130036",
      "url": "https://patchblox.com/security/fix/microsoft/kb5130036",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": ".NET 8.0 runtime installed on Windows",
      "fixedVersion": "",
      "fix": "KB5130034",
      "url": "https://patchblox.com/security/fix/microsoft/kb5130034",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": ".NET 9.0 runtime installed on Windows",
      "fixedVersion": "",
      "fix": "KB5130035",
      "url": "https://patchblox.com/security/fix/microsoft/kb5130035",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 version 1607",
      "fixedVersion": "14393.9612",
      "fix": "KB5126868",
      "url": "https://patchblox.com/security/fix/microsoft/kb5126868",
      "released": "2026-10-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016",
      "fixedVersion": "14393.9612",
      "fix": "KB5126868",
      "url": "https://patchblox.com/security/fix/microsoft/kb5126868",
      "released": "2026-10-13T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2019",
      "fixedVersion": "",
      "fix": "KB5127666",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127666",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 version 1809",
      "fixedVersion": "",
      "fix": "KB5127666",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127666",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 version 1809",
      "fixedVersion": "",
      "fix": "KB5127685",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127685",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 version 21H2",
      "fixedVersion": "",
      "fix": "KB5127683",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127683",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 version 22H2",
      "fixedVersion": "",
      "fix": "KB5127683",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127683",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019",
      "fixedVersion": "",
      "fix": "KB5127685",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127685",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022",
      "fixedVersion": "",
      "fix": "KB5127687",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127687",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 version 21H2",
      "fixedVersion": "",
      "fix": "KB5127689",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127689",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 version 22H2",
      "fixedVersion": "",
      "fix": "KB5127689",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127689",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 23H2",
      "fixedVersion": "",
      "fix": "KB5127692",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127692",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 24H2",
      "fixedVersion": "",
      "fix": "KB5127690",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127690",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 25H2",
      "fixedVersion": "",
      "fix": "KB5127690",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127690",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 26H2",
      "fixedVersion": "",
      "fix": "KB5127694",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127694",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022",
      "fixedVersion": "",
      "fix": "KB5127693",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127693",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025",
      "fixedVersion": "",
      "fix": "KB5127690",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127690",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows 11 version 26H1",
      "fixedVersion": "",
      "fix": "KB5127696",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127696",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5127660",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127660",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 3.5 on Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5127664",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127664",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5127667",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127667",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5127668",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127668",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 4.8 on Windows 10 version 1607",
      "fixedVersion": "",
      "fix": "KB5127684",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127684",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 4.8 on Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB5127686",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127686",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 4.8 on Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB5127688",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127688",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 4.8 on Windows Server 2016",
      "fixedVersion": "",
      "fix": "KB5127684",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127684",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft .NET Framework 4.8.1 on Windows 11 version 26H1",
      "fixedVersion": "",
      "fix": "KB5127691",
      "url": "https://patchblox.com/security/fix/microsoft/kb5127691",
      "released": "2026-10-13T07:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft .NET Windows Desktop Runtime 10.0",
      "fixedVersion": "10.0.13",
      "fix": "Microsoft .NET Windows Desktop Runtime 10.0 10.0.13",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.dotnet.desktopruntime.10-10.0.13",
      "released": "2026-10-04T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft .NET Windows Desktop Runtime 8.0",
      "fixedVersion": "8.0.32",
      "fix": "Microsoft .NET Windows Desktop Runtime 8.0 8.0.32",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.dotnet.desktopruntime.8-8.0.32",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft .NET Windows Desktop Runtime 9.0",
      "fixedVersion": "9.0.21",
      "fix": "Microsoft .NET Windows Desktop Runtime 9.0 9.0.21",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.dotnet.desktopruntime.9-9.0.21",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft ASP.NET Core Hosting Bundle 10.0",
      "fixedVersion": "10.0.13",
      "fix": "Microsoft ASP.NET Core Hosting Bundle 10.0 10.0.13",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.dotnet.hostingbundle.10-10.0.13",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft ASP.NET Core Hosting Bundle 8.0",
      "fixedVersion": "8.0.32",
      "fix": "Microsoft ASP.NET Core Hosting Bundle 8.0 8.0.32",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.dotnet.hostingbundle.8-8.0.32",
      "released": "2026-10-05T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Microsoft ASP.NET Core Hosting Bundle 9.0",
      "fixedVersion": "9.0.21",
      "fix": "Microsoft ASP.NET Core Hosting Bundle 9.0 9.0.21",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.dotnet.hostingbundle.9-9.0.21",
      "released": "2026-10-05T00:00:00Z"
    }
  ],
  "noFixYet": [
    {
      "platform": "Windows apps",
      "product": "Microsoft Windows Desktop Runtime - 8.0.25 (arm64)",
      "status": "no-fix",
      "affectedVersion": "8.0.25"
    },
    {
      "platform": "Windows apps",
      "product": "Microsoft Windows Desktop Runtime - 8.0.25 (x64)",
      "status": "no-fix",
      "affectedVersion": "8.0.25"
    },
    {
      "platform": "Windows apps",
      "product": "Microsoft Windows Desktop Runtime - 8.0.25 (x86)",
      "status": "no-fix",
      "affectedVersion": "8.0.25"
    }
  ],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}