CVE-2026-34695: InDesign Desktop | Stack-based Buffer Overflow (CWE-121)
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a Stack-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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
InDesign Desktopfrom your environment.Uninstall InDesign Desktop if it is not required in order to eliminate exposure to this vulnerability.
- Compensating control
Do not open InDesign files from untrusted or unknown sources; treat received .indd and related files as potentially malicious and verify origin before opening.
- Compensating control
Block or scan incoming InDesign files at email/web gateways and on file-sharing services to prevent delivery of potentially malicious files to end users.
- Compensating control
Run InDesign under least-privileged accounts and/or inside a sandboxed or isolated environment to limit the impact if a malicious file is opened, since exploitation requires user interaction (opening a malicious file) and executes in the context of the current user.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-34695?
CVE-2026-34695 has a severity rating of high with a score of 7.8.
How do I fix CVE-2026-34695?
To fix CVE-2026-34695, update Adobe InDesign Desktop to the latest version that addresses this vulnerability.
What type of vulnerability is CVE-2026-34695?
CVE-2026-34695 is a stack-based buffer overflow vulnerability categorized under CWE-121.
What can be the impact of exploiting CVE-2026-34695?
Exploitation of CVE-2026-34695 could lead to arbitrary code execution in the context of the current user.
What versions of Adobe InDesign Desktop are affected by CVE-2026-34695?
Adobe InDesign Desktop versions 21.3, 20.5.3, and earlier are affected by CVE-2026-34695.