{
  "cveId": "CVE-2023-27830",
  "url": "https://patchblox.com/security/cve/CVE-2023-27830",
  "summary": "CVE-2023-27830 is fixed in TightVNC on 1 platform by TightVNC 2.8.78 (version 2.8.78), released March 28, 2023. It is not reported as exploited. Patch Radar priority: Urgent.",
  "title": "TightVNC: Improper Privilege Management",
  "description": "TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account.",
  "published": "2023-04-12T15:15:12Z",
  "severity": "",
  "cvss": 9,
  "cwe": "CWE-269: Improper Privilege Management",
  "epss": 0.01078,
  "epssPercentile": 0.65253,
  "priority": "Urgent",
  "priorityTier": 2,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2023-27830",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "TightVNC",
      "fixedVersion": "2.8.78",
      "fix": "TightVNC 2.8.78",
      "url": "https://patchblox.com/security/fix/windows-app/glavsoft.tightvnc-2.8.78",
      "released": "2023-03-28T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}