Access of Uninitialized Pointer Vulnerability in Adobe InDesign Desktop
CVE-2026-21276

7.8HIGH

Key Information:

Vendor

Adobe
Status
Indesign Desktop
Vendor
CVE Published:
13 January 2026

What is CVE-2026-21276?

Adobe InDesign Desktop versions 21.0, 19.5.5, and earlier versions are susceptible to an Access of Uninitialized Pointer vulnerability. This flaw could allow an attacker to execute arbitrary code within the context of the current user if a malicious file is opened. Exploitation necessitates user interaction, which means that users must inadvertently engage with a harmful file for the vulnerability to be triggered.

Affected Version(s)

InDesign Desktop 0 <= 19.5.5

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

.