{
  "cveId": "CVE-2026-34621",
  "url": "https://patchblox.com/security/cve/CVE-2026-34621",
  "summary": "CVE-2026-34621 is fixed in 2 products on 1 platform, first by Adobe Acrobat Reader DC 26.001.21411, released April 10, 2026. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on April 13, 2026. Patch Radar priority: Patch now.",
  "title": "Adobe Acrobat and Reader Prototype Pollution Vulnerability",
  "description": "Acrobat Reader versions 24.001.30356, 26.001.21367 and earlier are affected by an Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027) 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": "2026-04-11T07:16:03Z",
  "severity": "",
  "cvss": 8.6,
  "cwe": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027) (CWE-1321)",
  "epss": 0.0734,
  "epssPercentile": 0.94434,
  "priority": "Patch now",
  "priorityTier": 1,
  "exploited": true,
  "vendorExploited": true,
  "disclosed": false,
  "kev": {
    "added": "2026-04-13T00:00:00Z",
    "due": "2026-04-27T00:00:00Z",
    "ransomware": false,
    "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable."
  },
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2026-34621",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Adobe Acrobat Reader DC",
      "fixedVersion": "26.001.21411",
      "fix": "Adobe Acrobat Reader DC 26.001.21411",
      "url": "https://patchblox.com/security/fix/windows-app/adobe.acrobat.reader.32-bit-26.001.21411",
      "released": "2026-04-10T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Adobe Acrobat Reader DC (64-bit)",
      "fixedVersion": "26.001.21411",
      "fix": "Adobe Acrobat Reader DC (64-bit) 26.001.21411",
      "url": "https://patchblox.com/security/fix/windows-app/adobe.acrobat.reader.64-bit-26.001.21411",
      "released": "2026-04-10T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}