# CVE-2026-27284: InDesign Desktop versions 20.5.2, 21.2 and earlier are affected by an out-of-bounds read vulnerability when parsing a…

Source: https://junglewise.ai/threats/cve-2026-27284-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-2026-27284 · 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 read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code 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), [Apple macOS](https://junglewise.ai/threats/technologies/macos), [Microsoft Windows](https://junglewise.ai/threats/technologies/windows). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe), [Apple](https://junglewise.ai/threats/vendors/apple), [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-27284 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-27284 being exploited in the wild.

**How severe is CVE-2026-27284?** 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-2026-27284?** 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-2026-27284?** 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.

## Affected products

- Adobe InDesign
- Apple macOS
- Microsoft Windows

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