{
  "cveId": "CVE-2023-26421",
  "url": "https://patchblox.com/security/cve/CVE-2023-26421",
  "summary": "CVE-2023-26421 is fixed in 2 products on 1 platform, first by Adobe Acrobat Reader DC 23.001.20143, released April 4, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "ZDI-CAN-19832: Adobe Acrobat Reader DC Doc Object Integer Underflow Remote Code Execution Vulnerability",
  "description": "Adobe Acrobat Reader versions 23.001.20093 (and earlier) and 20.005.30441 (and earlier) are affected by an Integer Underflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
  "published": "2023-04-12T21:15:25Z",
  "severity": "",
  "cvss": 7.8,
  "cwe": "CWE-191: Integer Underflow (Wrap or Wraparound) (CWE-191)",
  "epss": 0.04566,
  "epssPercentile": 0.91664,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2023-26421",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Adobe Acrobat Reader DC",
      "fixedVersion": "23.001.20143",
      "fix": "Adobe Acrobat Reader DC 23.001.20143",
      "url": "https://patchblox.com/security/fix/windows-app/adobe.acrobat.reader.32-bit-23.001.20143",
      "released": "2023-04-04T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Adobe Acrobat Reader DC (64-bit)",
      "fixedVersion": "23.001.20143",
      "fix": "Adobe Acrobat Reader DC (64-bit) 23.001.20143",
      "url": "https://patchblox.com/security/fix/windows-app/adobe.acrobat.reader.64-bit-23.001.20143",
      "released": "2023-04-04T00:00:00Z"
    }
  ],
  "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"
  }
}