CVE-2026-27278: Acrobat Reader | Use After Free (CWE-416)
Acrobat Reader versions 24.001.30307, 24.001.30308, 25.001.21265 and earlier are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-27278?
CVE-2026-27278 is classified as a high severity vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2026-27278?
To fix CVE-2026-27278, update Adobe Acrobat Reader to version 25.001.21266 or later.
Which versions of Adobe Acrobat Reader are affected by CVE-2026-27278?
CVE-2026-27278 affects Adobe Acrobat Reader versions 24.001.30307, 24.001.30308, and 25.001.21265 and earlier.
What is a Use After Free vulnerability in the context of CVE-2026-27278?
A Use After Free vulnerability like CVE-2026-27278 occurs when a program continues to use a pointer after the memory it points to has been freed, potentially leading to code execution.
What are the prerequisites for exploiting CVE-2026-27278?
Exploitation of CVE-2026-27278 requires user interaction to trigger the vulnerability.