Junglewise Threat Intelligence

CVE-2026-79907: Adobe Acrobat Reader double free vulnerability

CVE-2026-79907 · Severity: high · CVSS 7.8 · Published 2026-09-08

Executive brief

Adobe Acrobat Reader contains a double free memory vulnerability that could allow an attacker to execute arbitrary code with the privileges of the current user. An attacker would need to trick a user into opening a malicious PDF file to exploit this issue, which could lead to complete compromise of user data and system access.

Technical details

This is a double free vulnerability in Adobe Acrobat Reader, a memory safety issue where the same memory location is deallocated more than once. The vulnerability can be triggered by opening a specially crafted PDF file, requiring user interaction as a precondition. Successful exploitation allows an attacker to achieve arbitrary code execution in the security context of the user running the application. The attack vector is local/user-initiated via opening a malicious file. Patch status is not explicitly confirmed in the available information.

Affected products

  • Adobe Acrobat Reader

Timeline

  • 2026-09-08: disclosed

References

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