{
  "cveId": "CVE-2018-8247",
  "url": "https://patchblox.com/security/cve/CVE-2018-8247",
  "summary": "CVE-2018-8247 is fixed in 2 products on 1 platform, first by KB4011026, released June 12, 2018. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Microsoft Office Elevation of Privilege Vulnerability",
  "description": "\u003Cp\u003EAn elevation of privilege vulnerability exists when Office Web Apps Server 2013 and Office Online Server fail to properly handle web requests. An attacker who successfully exploited this vulnerability could perform script/content injection attacks and attempt to trick the user into disclosing sensitive information.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker could send an email message containing a malicious link to a user. Alternatively, an attacker could use a chat client to social engineer a user into clicking the malicious link. The user must click the malicious link for the vulnerability to be exploited.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by correcting how Office Web Apps Server 2013 and Office Online Server validate web requests.\u003C/p\u003E",
  "published": "2018-06-12T07:00:00Z",
  "severity": "Important",
  "epss": 0.03857,
  "epssPercentile": 0.90212,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8247",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft Office Online Server 2016",
      "fixedVersion": "",
      "fix": "KB4011026",
      "url": "https://patchblox.com/security/fix/microsoft/kb4011026",
      "released": "2018-06-12T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Office Web Apps Server 2013 Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4022183",
      "url": "https://patchblox.com/security/fix/microsoft/kb4022183",
      "released": "2018-06-12T07:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}