Out-of-Bounds Write Vulnerability in Adobe InDesign Desktop
CVE-2026-27291

7.8HIGH

Key Information:

Vendor

Adobe
Status
Indesign Desktop
Vendor
CVE Published:
14 April 2026

What is CVE-2026-27291?

Adobe InDesign Desktop versions 20.5.2, 21.2, and earlier are impacted by an out-of-bounds write vulnerability that could enable arbitrary code execution by an attacker. This exploitation necessitates user interaction; a victim must open a specifically crafted malicious file, which triggers the vulnerability and may allow unauthorized actions within the user’s session.

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

.