{
  "fix": "KB5032875",
  "url": "https://patchblox.com/security/fix/microsoft/kb5032875",
  "summary": "KB5032875, released December 12, 2023, fixes 8 CVEs in .NET 7.0. One of them is being exploited (CVE-2023-44487); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "December 2023 security update",
  "released": "2023-12-12T14:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2023-44487, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 8,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.99999,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5032875",
  "appliesTo": [
    {
      "product": ".NET 7.0",
      "productUrl": "https://patchblox.com/security/product/microsoft/net-7.0",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-44487",
      "url": "https://patchblox.com/security/cve/CVE-2023-44487",
      "title": "MITRE: CVE-2023-44487 HTTP/2 Rapid Reset Attack",
      "component": "HTTP/2",
      "impact": "Denial of Service",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.99999,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-38171",
      "url": "https://patchblox.com/security/cve/CVE-2023-38171",
      "title": "Microsoft QUIC Denial of Service Vulnerability",
      "component": "Microsoft QUIC",
      "impact": "Denial of Service",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.71046,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "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-2023-36435",
      "url": "https://patchblox.com/security/cve/CVE-2023-36435",
      "title": "Microsoft QUIC Denial of Service Vulnerability",
      "component": "Microsoft QUIC",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.05718,
      "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-2023-36799",
      "url": "https://patchblox.com/security/cve/CVE-2023-36799",
      "title": ".NET Core and Visual Studio Denial of Service Vulnerability",
      "component": ".NET Core \u0026 Visual Studio",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.04637,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}