CVE-2026-34704: Adobe InDesign NULL Pointer Dereference denial-of-service

CVE-2026-34704 · Severity: medium · CVSS 5.5 · Published 2026-06-09

Adobe InDesign, a professional desktop publishing software, is affected by a vulnerability that can cause the application to crash. An attacker could trick a user into opening a specially crafted file, leading to a denial-of-service condition. This would result in the loss of unsaved work and temporary disruption of design operations.

Technologies: Adobe InDesign. Vendors: Adobe.

Quick answers

Is CVE-2026-34704 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-34704 being exploited in the wild.
How severe is CVE-2026-34704?
Medium severity, with a CVSS score of 5.5, published 9 June 2026.
Which products and versions are affected?
Adobe InDesign 21.3, 20.5.3 and earlier.
Is there a fix for CVE-2026-34704?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-34704 attacked?
It is attacked with local access, in a network appliance.
Am I affected by CVE-2026-34704?
Check whether you run Adobe InDesign at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A NULL Pointer Dereference vulnerability (CWE-476) exists in Adobe InDesign Desktop versions 21.3, 20.5.3 and earlier. The flaw is triggered when the application attempts to read or process a malformed file, leading to an immediate application crash. The attack vector is local, requiring the victim to manually open a malicious document (User Interaction required). Successful exploitation results in a denial-of-service (DoS) condition. Users are advised to update to the latest versions provided by Adobe to mitigate this risk.

Affected products

  • Adobe InDesign Desktop 21.3, 20.5.3 and earlier

Timeline

  • 2026-06-09: disclosed
  • 2026-06-09: advisory

References

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