{
  "cveId": "CVE-2026-40400",
  "url": "https://patchblox.com/security/cve/CVE-2026-40400",
  "summary": "CVE-2026-40400 is fixed in PowerShell on 1 platform by PowerShell 7.6.6.0 (version 7.6.6.0), released September 8, 2026. 1 other affected product has no fix yet. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Windows PowerShell Remote Code Execution Vulnerability",
  "description": "\u003Cp\u003ERelative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network.\u003C/p\u003E",
  "published": "2026-07-14T07:00:00Z",
  "severity": "",
  "cvss": 8,
  "cwe": "Relative Path Traversal",
  "epss": 0.00868,
  "epssPercentile": 0.58971,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Unlikely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40400",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "PowerShell",
      "fixedVersion": "7.6.6.0",
      "fix": "PowerShell 7.6.6.0",
      "url": "https://patchblox.com/security/fix/windows-app/microsoft.powershell-7.6.6.0",
      "released": "2026-09-08T00:00:00Z"
    }
  ],
  "noFixYet": [
    {
      "platform": "Windows apps",
      "product": "PowerShell Preview",
      "status": "no-fix",
      "affectedVersion": "7.6.0.101"
    }
  ],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}