CVE-2026-21356: Acrobat for Edge | Out-of-bounds Write (CWE-787)
Published Oct 20, 2026
·Updated
Acrobat for Edge is affected by an out-of-bounds write 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
1 affected component
Adobe Acrobat for Edge
Event History
Oct 20, 2026
CVE Published
via MITRE·06:18 PM
Data Sourced
via MITRE·06:18 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
Who is exposed to this vulnerability?
Users of Adobe Acrobat for Edge are exposed when they open a malicious file. Successful exploitation runs code in the context of the current user.
2
What does an attacker need to exploit it?
An attacker must persuade a victim to open a malicious file. The provided data does not identify any additional prerequisites or affected configuration details.