{
  "fix": "KB5002028",
  "url": "https://patchblox.com/security/fix/microsoft/kb5002028",
  "summary": "KB5002028, released October 12, 2021, fixes 6 CVEs in Microsoft SharePoint Server 2019. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "October 2021 security update",
  "released": "2021-10-12T12:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2021-40487, exploitation more likely",
  "supported": false,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.48205,
  "maxCvss": 8.1,
  "vendorAdvisory": "https://support.microsoft.com/help/5002028",
  "appliesTo": [
    {
      "product": "Microsoft SharePoint Server 2019",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-sharepoint-server-2019",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-40487",
      "url": "https://patchblox.com/security/cve/CVE-2021-40487",
      "title": "Microsoft SharePoint Server Remote Code Execution Vulnerability",
      "component": "Microsoft Office SharePoint",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.48205,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-41344",
      "url": "https://patchblox.com/security/cve/CVE-2021-41344",
      "title": "Microsoft SharePoint Server Remote Code Execution Vulnerability",
      "component": "Microsoft Office SharePoint",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.06475,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-40486",
      "url": "https://patchblox.com/security/cve/CVE-2021-40486",
      "title": "Microsoft Word Remote Code Execution Vulnerability",
      "component": "Microsoft Office Word",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.8,
      "epss": 0.05985,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-40483",
      "url": "https://patchblox.com/security/cve/CVE-2021-40483",
      "title": "Microsoft SharePoint Server Spoofing Vulnerability",
      "component": "Microsoft Office SharePoint",
      "impact": "Spoofing",
      "priority": "High",
      "severity": "Low",
      "cvss": 7.6,
      "epss": 0.01378,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-40484",
      "url": "https://patchblox.com/security/cve/CVE-2021-40484",
      "title": "Microsoft SharePoint Server Spoofing Vulnerability",
      "component": "Microsoft Office SharePoint",
      "impact": "Spoofing",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.6,
      "epss": 0.01378,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-40482",
      "url": "https://patchblox.com/security/cve/CVE-2021-40482",
      "title": "Microsoft SharePoint Server Information Disclosure Vulnerability",
      "component": "Microsoft Office SharePoint",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.3,
      "epss": 0.02334,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}