ZDI-26-662: Adobe Acrobat Reader DC Annotation Use-After-Free Remote Code Execution Vulnerability
Published Sep 10, 2026
·Updated
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-81990.
Affected Software
1 affected component
Adobe Acrobat Reader DC
Event History
Sep 10, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What must an attacker do to exploit this issue?
The attacker must induce the target to visit a malicious page or open a malicious file. Exploitation requires user interaction.
2
What is the potential impact of successful exploitation?
A remote attacker could execute arbitrary code on an affected Adobe Acrobat Reader DC installation.
3
How is this vulnerability tracked?
It is assigned CVE-2026-81990 and has a CVSS rating of 7.8 from ZDI.