CVE-2026-27238: InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by a Heap-based Buffer Overflow vulnerability that…
CVE-2026-27238 · Severity: high · CVSS 7.8 · Published 2026-04-14
InDesign Desktop versions 20.5.2, 21.2 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.
No. Junglewise Threat Intelligence has no report of CVE-2026-27238 being exploited in the wild.
How severe is CVE-2026-27238?
High severity, with a CVSS score of 7.8, published 14 April 2026.
Which products and versions are affected?
Adobe InDesign, Apple macOS, Microsoft Windows. The advisory does not name versions.
Is there a fix for CVE-2026-27238?
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.
Am I affected by CVE-2026-27238?
Check whether you run Adobe InDesign, Apple macOS or Microsoft Windows. 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.