CVE-2026-34621 – Adobe Acrobat Reader

CVSS 8.6 IMPORTANT

“A malicious document is all it takes to turn a trusted tool into an attack vector.”

Adobe has released a security patch for Acrobat Reader addressing CVE-2026-34621 and CVE-2026-34622. These vulnerabilities affect how the application processes crafted files, potentially allowing attackers to execute unauthorized actions or compromise user systems through malicious documents.

CVE-2026-34621 has a CVSS score of 8.6, which is High severity, and has confirmed active exploitation in the wild. CVE-2026-34622 has a CVSS score of 8.6, which is High severity. The presence of active attacks significantly increases the urgency of applying this patch, especially in environments where PDF files are routinely opened from external or untrusted sources.

Key Details

Affected Product
Adobe Acrobat Dc
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
CWE Classification
CWE-1321
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