{
  "cveId": "CVE-2021-41350",
  "url": "https://patchblox.com/security/cve/CVE-2021-41350",
  "summary": "CVE-2021-41350 is fixed in 4 products on 1 platform, first by KB5007012, released October 12, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Microsoft Exchange Server Spoofing Vulnerability",
  "description": "",
  "published": "2021-10-12T12:00:00Z",
  "severity": "Important",
  "cvss": 6.5,
  "epss": 0.01908,
  "epssPercentile": 0.79891,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-41350",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft Exchange Server 2016 Cumulative Update 21",
      "fixedVersion": "",
      "fix": "KB5007012",
      "url": "https://patchblox.com/security/fix/microsoft/kb5007012",
      "released": "2021-10-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Exchange Server 2016 Cumulative Update 22",
      "fixedVersion": "",
      "fix": "KB5007012",
      "url": "https://patchblox.com/security/fix/microsoft/kb5007012",
      "released": "2021-10-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Exchange Server 2019 Cumulative Update 10",
      "fixedVersion": "",
      "fix": "KB5007012",
      "url": "https://patchblox.com/security/fix/microsoft/kb5007012",
      "released": "2021-10-12T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Exchange Server 2019 Cumulative Update 11",
      "fixedVersion": "",
      "fix": "KB5007012",
      "url": "https://patchblox.com/security/fix/microsoft/kb5007012",
      "released": "2021-10-12T12:00:00Z"
    }
  ],
  "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"
  }
}