{
  "fix": "KB5029688",
  "url": "https://patchblox.com/security/fix/microsoft/kb5029688",
  "summary": "KB5029688, released August 8, 2023, fixes 4 CVEs in .NET 6.0. One of them is being exploited (CVE-2023-38180); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "August 2023 security update",
  "released": "2023-08-08T12:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2023-38180, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 4,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.14127,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5029688",
  "appliesTo": [
    {
      "product": ".NET 6.0",
      "productUrl": "https://patchblox.com/security/product/microsoft/net-6.0",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-38180",
      "url": "https://patchblox.com/security/cve/CVE-2023-38180",
      "title": ".NET and Visual Studio Denial of Service Vulnerability",
      "component": "ASP.NET",
      "impact": "Denial of Service",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.14127,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38178",
      "url": "https://patchblox.com/security/cve/CVE-2023-38178",
      "title": ".NET Core and Visual Studio Denial of Service Vulnerability",
      "component": ".NET Core",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.0259,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-35390",
      "url": "https://patchblox.com/security/cve/CVE-2023-35390",
      "title": ".NET and Visual Studio Remote Code Execution Vulnerability",
      "component": ".NET Core",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.0208,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-35391",
      "url": "https://patchblox.com/security/cve/CVE-2023-35391",
      "title": "ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability",
      "component": "ASP.NET and Visual Studio",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.2,
      "epss": 0.01904,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}