{
  "fix": "KB5034276",
  "url": "https://patchblox.com/security/fix/microsoft/kb5034276",
  "summary": "KB5034276, released May 8, 2024, fixes 5 CVEs across 4 products. One of them is being exploited (CVE-2024-29059); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "May 2024 security update",
  "released": "2024-05-08T12:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2024-29059, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 5,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.98624,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5034276",
  "appliesTo": [
    {
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows 11 version 21H2 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-and-4.8-on-windows-11-version-21h2-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 3.5 AND 4.8 on Windows 11 version 21H2 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-and-4.8-on-windows-11-version-21h2-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 21H2 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-and-4.8.1-on-windows-11-version-21h2-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 21H2 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-.net-framework-3.5-and-4.8.1-on-windows-11-version-21h2-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2024-29059",
      "url": "https://patchblox.com/security/cve/CVE-2024-29059",
      "title": ".NET Framework Information Disclosure Vulnerability",
      "component": ".NET Framework",
      "impact": "Information Disclosure",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.98624,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-21312",
      "url": "https://patchblox.com/security/cve/CVE-2024-21312",
      "title": ".NET Framework Denial of Service Vulnerability",
      "component": ".NET Framework",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.03578,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-0057",
      "url": "https://patchblox.com/security/cve/CVE-2024-0057",
      "title": "NET, .NET Framework, and Visual Studio Security Feature Bypass Vulnerability",
      "component": ".NET and Visual Studio",
      "impact": "Security Feature Bypass",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.02778,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-0056",
      "url": "https://patchblox.com/security/cve/CVE-2024-0056",
      "title": "Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability",
      "component": "SQL Server",
      "impact": "Security Feature Bypass",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.7,
      "epss": 0.0118,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-36042",
      "url": "https://patchblox.com/security/cve/CVE-2023-36042",
      "title": "Visual Studio Denial of Service Vulnerability",
      "component": "Visual Studio",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.2,
      "epss": 0.00787,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}