CVE-2026-34700: InDesign Desktop | Out-of-bounds Write (CWE-787)
Published Jun 9, 2026
·Updated
InDesign Desktop versions 21.3, 20.5.3 and earlier are 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
5 affected components
Adobe InDesign Desktop=21.3, <=20.5.3
All of the following
Any of the following
Adobe InDesign<20.5.4
Adobe InDesign>=21.0<21.4
Any of the following
Apple macOS
Microsoft Windows
Event History
Jun 9, 2026
CVE Published
via MITRE·05:43 PM
Data Sourced
via MITRE·05:43 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-34700?
CVE-2026-34700 has a severity rating of 7.8, classified as high.
2
How do I fix CVE-2026-34700?
To fix CVE-2026-34700, users should update to the latest version of Adobe InDesign Desktop.
3
What does CVE-2026-34700 affect?
CVE-2026-34700 affects Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier.
4
What could happen if CVE-2026-34700 is exploited?
Exploitation of CVE-2026-34700 could lead to arbitrary code execution in the context of the current user.
5
Is user interaction required to exploit CVE-2026-34700?
Yes, exploitation of CVE-2026-34700 requires user interaction, specifically opening a malicious file.