{
  "fix": "KB5002403",
  "url": "https://patchblox.com/security/fix/microsoft/kb5002403",
  "summary": "KB5002403, released June 13, 2023, fixes 5 CVEs in Microsoft SharePoint Server 2019. One of them is being exploited (CVE-2023-29357); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "June 2023 security update",
  "released": "2023-06-13T12:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2023-29357, exploited (CISA KEV, ransomware)",
  "supported": false,
  "cveCount": 5,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 1,
  "maxEpss": 0.99984,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5002403",
  "appliesTo": [
    {
      "product": "Microsoft SharePoint Server 2019",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-sharepoint-server-2019",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-29357",
      "url": "https://patchblox.com/security/cve/CVE-2023-29357",
      "title": "Microsoft SharePoint Server Elevation of Privilege Vulnerability",
      "component": "Microsoft Office SharePoint",
      "impact": "Elevation of Privilege",
      "priority": "Patch now",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.99984,
      "kev": true,
      "ransomware": true,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-33130",
      "url": "https://patchblox.com/security/cve/CVE-2023-33130",
      "title": "Microsoft SharePoint Server Spoofing Vulnerability",
      "component": "Microsoft Office SharePoint",
      "impact": "Spoofing",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.3,
      "epss": 0.01177,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-33129",
      "url": "https://patchblox.com/security/cve/CVE-2023-33129",
      "title": "Microsoft SharePoint Server Denial of Service Vulnerability",
      "component": "Microsoft Office SharePoint",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.01985,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-33142",
      "url": "https://patchblox.com/security/cve/CVE-2023-33142",
      "title": "Microsoft SharePoint Server Elevation of Privilege Vulnerability",
      "component": "Microsoft Office SharePoint",
      "impact": "Elevation of Privilege",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.01022,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-33132",
      "url": "https://patchblox.com/security/cve/CVE-2023-33132",
      "title": "Microsoft SharePoint Server Spoofing Vulnerability",
      "component": "Microsoft Office SharePoint",
      "impact": "Spoofing",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.3,
      "epss": 0.00882,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}