CVE-2026-21276
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
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| adobe | indesign_desktop | to 19.5.5 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-824 | The product accesses or uses a pointer that has not been initialized. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
What immediate steps should I take to mitigate this vulnerability?
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.