ZDI-26-361: Adobe Acrobat Reader DC Field signatureInfo Use-After-Free Remote Code Execution Vulnerability

Published Jun 24, 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-2026-27278.

Affected Software

1 affected component
Adobe Acrobat Reader DC

Event History

Jun 24, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description

Frequently Asked Questions

1

What is the severity of ZDI-26-361?

ZDI-26-361 has a CVSS rating of 7.8, indicating a high severity level.

2

How do I fix ZDI-26-361?

To fix ZDI-26-361, update Adobe Acrobat Reader DC to the latest version provided by Adobe.

3

What are the potential impacts of ZDI-26-361 if exploited?

If exploited, ZDI-26-361 can allow remote attackers to execute arbitrary code on affected systems.

4

Is user interaction required to exploit ZDI-26-361?

Yes, user interaction is required for ZDI-26-361, as the target must visit a malicious page or open a malicious file.

5

Which software is affected by ZDI-26-361?

ZDI-26-361 affects Adobe Acrobat Reader DC installations.

Contact

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Fortitude Valley,
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