CVE-2026-34621

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2026-34621

Confirmed

Yes

2026-04-13 00:00 UTC

Timestamps

2026-04-13

2026-04-13

Scope

KEV entry: Adobe Acrobat and Reader Prototype Pollution Vulnerability | Affected: Adobe / Acrobat and Reader | Description: Adobe Acrobat and Reader contain a prototype pollution vulnerability that allows for arbitrary code execution. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-04-27 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://helpx.adobe.com/security/products/acrobat/apsb26-43.html ; https://nvd.nist.gov/vuln/detail/CVE-2026-34621

References
  • {'id': 'CVE-2026-34621', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-34621'}

3f9a262f-6bab-4d23-a632-e2ff6d961496

405284c2-e461-4670-8979-7fd2c9755a60

2026-04-13 18:00 UTC

2026-04-13 18:00 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-1321"
  ],
  "date_added": "2026-04-13",
  "due_date": "2026-04-27",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Acrobat and Reader",
  "vendorProject": "Adobe",
  "vulnerabilityName": "Adobe Acrobat and Reader Prototype Pollution Vulnerability"
}
 -
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