Heap-based Buffer Overflow Vulnerability in Adobe InDesign
CVE-2026-27238

7.8HIGH

Key Information:

Vendor

Adobe
Status
Indesign Desktop
Vendor
CVE Published:
14 April 2026

What is CVE-2026-27238?

Adobe InDesign versions 20.5.2, 21.2, and earlier are susceptible to a Heap-based Buffer Overflow vulnerability that may allow arbitrary code execution in the context of the current user. This vulnerability necessitates user interaction, as an attacker must convince the target to open a specially crafted malicious file, potentially compromising the system and exposing sensitive information.

Affected Version(s)

InDesign Desktop 0 <= 21.2

References

https://helpx.adobe.com/security/products/indesign/apsb26...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.