CVE-2026-21287
Use After Free in Substance3D Stager Allows 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 | substance3d_stager | to 3.1.5 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-416 | The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Use After Free issue in Substance3D - Stager versions 3.1.5 and earlier. It occurs when the software improperly handles memory, allowing an attacker to execute arbitrary code within the context of the current user. Exploiting this vulnerability requires the victim to open a malicious file.
How can this vulnerability impact me? :
If exploited, this vulnerability can allow an attacker to execute arbitrary code on your system with the privileges of the current user. This could lead to unauthorized actions such as data theft, installation of malware, or other malicious activities. However, exploitation requires user interaction by opening a malicious file.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, avoid opening malicious files that could exploit the Use After Free vulnerability in Substance3D - Stager versions 3.1.5 and earlier. Consider updating to a version later than 3.1.5 if available, and ensure users are aware not to open untrusted files.