{
  "cveId": "CVE-2019-1109",
  "url": "https://patchblox.com/security/cve/CVE-2019-1109",
  "summary": "CVE-2019-1109 is fixed in 5 products on 1 platform, first by KB4018375, released July 9, 2019. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Microsoft Office Spoofing Vulnerability",
  "description": "\u003Cp\u003EA spoofing vulnerability exists when Microsoft Office Javascript does not check the validity of the web page making a request to Office documents.\u003C/p\u003E\n\u003Cp\u003EAn attacker who successfully exploited this vulnerability could read or write information in Office documents.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by correcting the way that Microsoft Office Javascript verifies trusted web pages.\u003C/p\u003E",
  "published": "2019-07-09T12:00:00Z",
  "severity": "Important",
  "epss": 0.0424,
  "epssPercentile": 0.91087,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1109",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft Office 2013 RT Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4018375",
      "url": "https://patchblox.com/security/fix/microsoft/kb4018375",
      "released": "2019-07-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Office 2013 Service Pack 1 (32-bit editions)",
      "fixedVersion": "",
      "fix": "KB4018375",
      "url": "https://patchblox.com/security/fix/microsoft/kb4018375",
      "released": "2019-07-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Office 2013 Service Pack 1 (64-bit editions)",
      "fixedVersion": "",
      "fix": "KB4018375",
      "url": "https://patchblox.com/security/fix/microsoft/kb4018375",
      "released": "2019-07-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Office 2016 (32-bit edition)",
      "fixedVersion": "",
      "fix": "KB4464534",
      "url": "https://patchblox.com/security/fix/microsoft/kb4464534",
      "released": "2019-07-09T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Office 2016 (64-bit edition)",
      "fixedVersion": "",
      "fix": "KB4464534",
      "url": "https://patchblox.com/security/fix/microsoft/kb4464534",
      "released": "2019-07-09T12:00:00Z"
    }
  ],
  "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"
  }
}