CVE-2026-21288: Adobe Illustrator null pointer dereference leading to denial of service

CVE-2026-21288 · Severity: medium · CVSS 5.5 · Published 2026-01-13

Adobe Illustrator, a widely used graphic design and illustration application, contains a null pointer dereference flaw that can be triggered when a user opens a specially crafted file. An attacker can exploit this vulnerability to crash the application, disrupting the victim's work and productivity.

Technologies: Adobe Illustrator. Vendors: Adobe.

Quick answers

Is CVE-2026-21288 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-21288 being exploited in the wild.
How severe is CVE-2026-21288?
Medium severity, with a CVSS score of 5.5, published 13 January 2026.
Which products and versions are affected?
Adobe Illustrator 29.8.3, 30.0 and earlier.
Is there a fix for CVE-2026-21288?
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-2026-21288 attacked?
It is attacked with local access.
Am I affected by CVE-2026-21288?
Check whether you run Adobe Illustrator 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

The vulnerability is a null pointer dereference in Adobe Illustrator versions 29.8.3, 30.0 and earlier. An attacker can craft a malicious file that, when opened by a victim in Illustrator, causes the application to crash due to improper pointer handling. The attack requires user interaction (opening a malicious file) but no special privileges. The impact is denial of service—the application becomes unavailable, though no data corruption or code execution occurs. Patches are expected from Adobe.

Affected products

  • Adobe Illustrator 29.8.3, 30.0 and earlier

Timeline

  • 2026-01-13: disclosed

References

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