Adobe Acrobat Pro DC Annots.api Use-After-Free Remote Code Execution Vulnerability

June 9th, 2026

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Acrobat Pro DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the handling of Annotation objects. By performing actions in JavaScript, an attacker can cause a pointer to be reused after it has been freed. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/acrobat/apsb26-63.html

Disclosure Timeline

  • 2026-04-02 - Vulnerability reported to vendor
  • 2026-06-09 - Coordinated public release of advisory
  • 2026-06-09 - Advisory Updated

Credit

Brandon Evans

Back to Advisories