{
  "cveId": "CVE-2020-17123",
  "url": "https://patchblox.com/security/cve/CVE-2020-17123",
  "summary": "CVE-2020-17123 is fixed in 9 products on 1 platform, first by KB4493148, released December 15, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Microsoft Excel Remote Code Execution Vulnerability",
  "description": "",
  "published": "2020-12-15T14:00:00Z",
  "severity": "Important",
  "cvss": 7.8,
  "epss": 0.03587,
  "epssPercentile": 0.89501,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17123",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2010 Service Pack 2 (32-bit editions)",
      "fixedVersion": "",
      "fix": "KB4493148",
      "url": "https://patchblox.com/security/fix/microsoft/kb4493148",
      "released": "2020-12-15T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2010 Service Pack 2 (64-bit editions)",
      "fixedVersion": "",
      "fix": "KB4493148",
      "url": "https://patchblox.com/security/fix/microsoft/kb4493148",
      "released": "2020-12-15T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2013 RT Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4493139",
      "url": "https://patchblox.com/security/fix/microsoft/kb4493139",
      "released": "2020-12-15T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2013 Service Pack 1 (32-bit editions)",
      "fixedVersion": "",
      "fix": "KB4493139",
      "url": "https://patchblox.com/security/fix/microsoft/kb4493139",
      "released": "2020-12-15T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2013 Service Pack 1 (64-bit editions)",
      "fixedVersion": "",
      "fix": "KB4493139",
      "url": "https://patchblox.com/security/fix/microsoft/kb4493139",
      "released": "2020-12-15T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2016 (32-bit edition)",
      "fixedVersion": "",
      "fix": "KB4486754",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486754",
      "released": "2020-12-15T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2016 (64-bit edition)",
      "fixedVersion": "",
      "fix": "KB4486754",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486754",
      "released": "2020-12-15T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Office Web Apps 2013 Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4486760",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486760",
      "released": "2020-12-15T14:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Office Online Server",
      "fixedVersion": "",
      "fix": "KB4486750",
      "url": "https://patchblox.com/security/fix/microsoft/kb4486750",
      "released": "2020-12-15T14:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}