# CVE-2026-27291: InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds write vulnerability that could…

Source: https://junglewise.ai/threats/cve-2026-27291-indesign-desktop-versions-20-5-2-21-2-and-earlier-are-affected-by  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-14  
License: CC BY 4.0 with a link back

CVE-2026-27291 · Severity: high · CVSS 7.8 · Published 2026-04-14

InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds write 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.

Technologies: [Adobe InDesign](https://junglewise.ai/threats/technologies/indesign). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2026-27291 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-27291 being exploited in the wild.

**How severe is CVE-2026-27291?** High severity, with a CVSS score of 7.8, published 14 April 2026.

**Which products and versions are affected?** Adobe InDesign. The advisory does not name versions.

**Is there a fix for CVE-2026-27291?** 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-2026-27291?** Check whether you run Adobe InDesign. 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.

## Affected products

- Adobe InDesign

## Related threats

- [Adobe InDesign out-of-bounds write in Desktop application](https://junglewise.ai/threats/cve-2026-48293-adobe-indesign-out-of-bounds-write-in-desktop-application)
- [Adobe InDesign out-of-bounds read in Desktop application](https://junglewise.ai/threats/cve-2026-34705-adobe-indesign-out-of-bounds-read-in-desktop-application)
- [Adobe InDesign NULL Pointer Dereference denial-of-service](https://junglewise.ai/threats/cve-2026-34704-adobe-indesign-null-pointer-dereference-denial-of-service)
- [Adobe InDesign NULL Pointer Dereference vulnerability](https://junglewise.ai/threats/cve-2026-34703-adobe-indesign-null-pointer-dereference-vulnerability)
- [Adobe InDesign stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-34702-adobe-indesign-stack-based-buffer-overflow)