High Threat Security Alert (A26-04-13): Vulnerability in Adobe Reader/Acrobat


 

Published on: 13 April 2026

Description:

Patches are released for Adobe Reader and Acrobat to address a vulnerability. A remote attacker would entice a targeted user to open a specially crafted PDF file to exploit the vulnerability.

Reports indicated that the remote code execution vulnerability (CVE-2026-34621) in Adobe Reader and Acrobat is being exploited in the wild. System administrators and users are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.

 

Affected Systems:

  • Acrobat DC (for Windows and macOS) Continuous 26.001.21367 and earlier versions
  • Acrobat Reader DC (for Windows and macOS) Continuous 26.001.21367 and earlier versions
  • Acrobat 2024 (for Windows and macOS) Classic 2024 24.001.30356 and earlier versions

 

Impact:

Successful exploitation of the vulnerability could lead to remote code execution on an affected system.

 

Recommendation:

System administrators and users of affected systems should update the Adobe Reader and Acrobat to the following versions to address the issue. The updates can be obtained by using the auto-update mechanism or by downloading at the following URLs:
Acrobat DC (for Windows and macOS) Continuous 26.001.21411
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
Acrobat Reader DC (for Windows and macOS) Continuous 26.001.21411
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#continuous-track
Acrobat 2024 (for Windows) Classic 2024 24.001.30362
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#adobe-acrobat-2024-track
Acrobat 2024 (for macOS) Classic 2024 24.001.30360
https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/index.html#adobe-acrobat-2024-track

 

More Information:

  • https://helpx.adobe.com/security/products/acrobat/apsb26-43.html
  • https://www.hkcert.org/security-bulletin/adobe-acrobat-remote-code-execution-vulnerability_20260413
  • https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-34621


Tag: Adobe , Acrobat , Acrobat Reader , Adobe Reader
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