{
  "cveId": "CVE-2019-1029",
  "url": "https://patchblox.com/security/cve/CVE-2019-1029",
  "summary": "CVE-2019-1029 is fixed in 2 products on 1 platform, first by KB4506009, released June 11, 2019. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Skype for Business and Lync Server Denial of Service Vulnerability",
  "description": "\u003Cp\u003EA denial of service vulnerability exists in Skype for Business. An attacker who successfully exploited the vulnerability could cause Skype for Business to stop responding. Note that the denial of service would not allow an attacker to execute code or to elevate the attacker\u0027s user rights.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker needs to obtain a dial-in link for a vulnerable server and then initiates a series of calls within a short amount of time.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by correcting the way that Skype for Business server handles objects in memory.\u003C/p\u003E",
  "published": "2019-06-11T07:00:00Z",
  "severity": "Important",
  "epss": 0.05281,
  "epssPercentile": 0.92617,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1029",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft Lync Server 2010",
      "fixedVersion": "",
      "fix": "KB4506009",
      "url": "https://patchblox.com/security/fix/microsoft/kb4506009",
      "released": "2019-06-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Lync Server 2013",
      "fixedVersion": "",
      "fix": "KB4506009",
      "url": "https://patchblox.com/security/fix/microsoft/kb4506009",
      "released": "2019-06-11T07:00:00Z"
    }
  ],
  "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"
  }
}