{
  "cveId": "CVE-2017-11877",
  "url": "https://patchblox.com/security/cve/CVE-2017-11877",
  "summary": "CVE-2017-11877 is fixed in 10 products on 1 platform, first by KB4011199, released November 14, 2017. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Microsoft Office Excel Security Feature Bypass",
  "description": "\u003Cp\u003EA security feature bypass vulnerability exists in Microsoft Office software by not enforcing macro settings on an Excel document. The security feature bypass by itself does not allow arbitrary code execution. To successfully exploit the vulnerability, an attacker would have to embed a control in an Excel worksheet that specifies a macro should be run.\n\u00A0\nTo exploit the vulnerability, an attacker would have to convince a user to open a specially crafted file with an affected version of Microsoft Office software.\n\u00A0\nThe security update addresses the vulnerability by enforcing macro settings on Excel documents.\u003C/p\u003E",
  "published": "2017-11-14T08:00:00Z",
  "severity": "Important",
  "epss": 0.04546,
  "epssPercentile": 0.91631,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-11877",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2007 Service Pack 3",
      "fixedVersion": "",
      "fix": "KB4011199",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011199",
      "released": "2017-11-14T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2010 Service Pack 2 (32-bit editions)",
      "fixedVersion": "",
      "fix": "KB4011197",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011197",
      "released": "2017-11-14T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2010 Service Pack 2 (64-bit editions)",
      "fixedVersion": "",
      "fix": "KB4011197",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011197",
      "released": "2017-11-14T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2013 RT Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4011233",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011233",
      "released": "2017-11-14T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2013 Service Pack 1 (32-bit editions)",
      "fixedVersion": "",
      "fix": "KB4011233",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011233",
      "released": "2017-11-14T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2013 Service Pack 1 (64-bit editions)",
      "fixedVersion": "",
      "fix": "KB4011233",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011233",
      "released": "2017-11-14T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2016 (32-bit edition)",
      "fixedVersion": "",
      "fix": "KB4011220",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011220",
      "released": "2017-11-14T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel 2016 (64-bit edition)",
      "fixedVersion": "",
      "fix": "KB4011220",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011220",
      "released": "2017-11-14T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Excel Viewer 2007 Service Pack 3",
      "fixedVersion": "",
      "fix": "KB4011206",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011206",
      "released": "2017-11-14T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Office Compatibility Pack Service Pack 3",
      "fixedVersion": "",
      "fix": "KB4011205",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011205",
      "released": "2017-11-14T08:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}