CVE-2026-34707: InCopy | Heap-based Buffer Overflow (CWE-122)
Published Jun 9, 2026
·Updated
InCopy versions 21.3, 20.5.3 and earlier are affected by a Heap-based Buffer Overflow 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 InCopy=21.3, <=20.5.3
All of the following
Any of the following
Adobe InCopy<20.5.4
Adobe InCopy>=21.0<21.4
Any of the following
Apple macOS
Microsoft Windows
Event History
Jun 9, 2026
CVE Published
via MITRE·05:49 PM
Data Sourced
via MITRE·05:49 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-34707?
The severity of CVE-2026-34707 is rated high with a score of 7.8.
2
How do I fix CVE-2026-34707?
To fix CVE-2026-34707, update Adobe InCopy to the latest version that addresses this vulnerability.
3
What is the impact of CVE-2026-34707?
CVE-2026-34707 can lead to arbitrary code execution in the context of the current user.
4
What versions of Adobe InCopy are affected by CVE-2026-34707?
InCopy versions 21.3, 20.5.3, and earlier are affected by CVE-2026-34707.
5
What type of vulnerability is CVE-2026-34707?
CVE-2026-34707 is a heap-based buffer overflow vulnerability.