{
  "fix": "KB5031217",
  "url": "https://patchblox.com/security/fix/microsoft/kb5031217",
  "summary": "KB5031217, released December 12, 2023, fixes 5 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "December 2023 security update",
  "released": "2023-12-12T14:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2023-36796, rated Critical",
  "supported": false,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01225,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5031217",
  "appliesTo": [
    {
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-and-4.8.1-on-windows-11-version-22h2-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-and-4.8.1-on-windows-11-version-22h2-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-36792",
      "url": "https://patchblox.com/security/cve/CVE-2023-36792",
      "title": "Visual Studio Remote Code Execution Vulnerability",
      "component": ".NET and Visual Studio",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.8,
      "epss": 0.01225,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-36793",
      "url": "https://patchblox.com/security/cve/CVE-2023-36793",
      "title": "Visual Studio Remote Code Execution Vulnerability",
      "component": ".NET and Visual Studio",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.8,
      "epss": 0.01225,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-36796",
      "url": "https://patchblox.com/security/cve/CVE-2023-36796",
      "title": "Visual Studio Remote Code Execution Vulnerability",
      "component": ".NET and Visual Studio",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.8,
      "epss": 0.01225,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-36794",
      "url": "https://patchblox.com/security/cve/CVE-2023-36794",
      "title": "Visual Studio Remote Code Execution Vulnerability",
      "component": ".NET and Visual Studio",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01225,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-36788",
      "url": "https://patchblox.com/security/cve/CVE-2023-36788",
      "title": ".NET Framework Remote Code Execution Vulnerability",
      "component": ".NET Framework",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01017,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}