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

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Meta Information

Published

2026-01-13

Last Modified

2026-01-13

Generated

2026-07-06

AI Q&A

2026-01-14

EPSS Evaluated

2026-07-05

NVD

CVE-2026-21276

EUVD

EUVD-2026-2070

Affected Vendors & Products

Vendor	Product	Version / Range
adobe	indesign_desktop	to 19.5.5 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-824	The product accesses or uses a pointer that has not been initialized.

Attack-Flow Graph

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.

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