ZDI-CAN-31079: ZDI-26-674: Adobe Acrobat Reader DC Annotation Out-Of-Bounds Write Remote Code Execution Vulnerability
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-2026-81981.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Mitigate exposure by preventing users from opening untrusted attachments or visiting malicious pages (user interaction is required for exploitation).
Event History
Frequently Asked Questions
What must an attacker do to exploit this issue?
The attacker must persuade the target to visit a malicious page or open a malicious file. Successful exploitation can allow the attacker to execute arbitrary code on the affected Adobe Acrobat Reader DC installation.
How severe is this vulnerability?
ZDI assigned this issue a CVSS rating of 7.8, and the reported risk score is 77. Exploitation requires user interaction, but the stated impact is remote arbitrary code execution.