{
  "cveId": "CVE-2019-0588",
  "url": "https://patchblox.com/security/cve/CVE-2019-0588",
  "summary": "CVE-2019-0588 is fixed in 5 products on 1 platform, first by KB4468742, released January 8, 2019. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Microsoft Exchange Information Disclosure Vulnerability",
  "description": "\u003Cp\u003EAn information disclosure vulnerability exists when the Microsoft Exchange PowerShell API grants calendar contributors more view permissions than intended. To exploit this vulnerability, an attacker would need to be granted contributor access to an Exchange Calendar by an administrator via PowerShell. The attacker would then be able to view additional details about the calendar that would normally be hidden.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by modifying how the Exchange PowerShell API grants permissions to contributors.\u003C/p\u003E",
  "published": "2019-01-08T08:00:00Z",
  "severity": "Important",
  "epss": 0.04626,
  "epssPercentile": 0.91759,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0588",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 25",
      "fixedVersion": "",
      "fix": "KB4468742",
      "url": "https://patchblox.com/security/fix/microsoft/kb4468742",
      "released": "2019-01-08T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Exchange Server 2013 Cumulative Update 21",
      "fixedVersion": "",
      "fix": "KB4471389",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471389",
      "released": "2019-01-08T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Exchange Server 2016 Cumulative Update 10",
      "fixedVersion": "",
      "fix": "KB4471389",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471389",
      "released": "2019-01-08T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Exchange Server 2016 Cumulative Update 11",
      "fixedVersion": "",
      "fix": "KB4471389",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471389",
      "released": "2019-01-08T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Exchange Server 2019",
      "fixedVersion": "",
      "fix": "KB4471389",
      "url": "https://patchblox.com/security/fix/microsoft/kb4471389",
      "released": "2019-01-08T08:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}