CVE-2026-21276
Unknown Unknown - Not Provided
Access of Uninitialized Pointer in Adobe InDesign Enables Code Execution

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Adobe Systems Incorporated

Description
InDesign Desktop versions 21.0, 19.5.5 and earlier are affected by an Access of Uninitialized Pointer 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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-01-13
Last Modified
2026-01-13
Generated
2026-06-16
AI Q&A
2026-01-14
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21276
EUVD
EUVD-2026-2070
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
adobe indesign_desktop to 19.5.5 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-824 The product accesses or uses a pointer that has not been initialized.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is an Access of Uninitialized Pointer issue in Adobe InDesign Desktop versions 21.0, 19.5.5 and earlier. It could allow an attacker to execute arbitrary code with the privileges of the current user if the user opens a malicious file.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run arbitrary code on your system with your user privileges, potentially leading to unauthorized actions such as data theft, system compromise, or further malware installation. Exploitation requires that you open a malicious file.

Mitigation Strategies

To mitigate this vulnerability, avoid opening files from untrusted or unknown sources, as exploitation requires user interaction by opening a malicious file. Additionally, ensure that your Adobe InDesign Desktop software is updated to a version later than 21.0 or 19.5.5 where this vulnerability is fixed.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-21276. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart