CVE-2026-34704: InDesign Desktop | NULL Pointer Dereference (CWE-476)
InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. 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
Adobe InDesign Desktopfrom your environment.If Adobe InDesign Desktop is not required in your environment, uninstall it from affected systems to eliminate exposure.
- Compensating control
Do not open InDesign (.indd or related) files from untrusted or unknown sources. Treat received InDesign files as potentially malicious and verify sender and integrity before opening.
- Compensating control
Disable automatic document preview/thumbnail generation for email clients, file managers, and other applications so InDesign files are not automatically rendered or opened.
- Operational
Monitor Adobe security advisories for InDesign Desktop and apply vendor-supplied updates or patches for this issue as soon as they are released.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-34704?
CVE-2026-34704 has a medium severity rating of 5.5.
How do I fix CVE-2026-34704?
To fix CVE-2026-34704, update Adobe InDesign Desktop to version 21.4 or later.
What type of vulnerability is CVE-2026-34704?
CVE-2026-34704 is a NULL Pointer Dereference vulnerability that could lead to denial-of-service.
Which versions of Adobe InDesign Desktop are affected by CVE-2026-34704?
Adobe InDesign Desktop versions 21.3, 20.5.3 and earlier are affected by CVE-2026-34704.
What impact can CVE-2026-34704 have on my system?
CVE-2026-34704 can lead to application crashes, resulting in a denial-of-service condition.