CVE-2026-21339
Out-of-Bounds Read in Substance3D Designer Leads to Memory Exposure
Publication date: 2026-02-10
Last updated on: 2026-02-11
Assigner: Adobe Systems Incorporated
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| adobe | substance_3d_designer | to 15.1.2 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability affects Substance3D - Designer versions 15.1.0 and earlier. It is an out-of-bounds read vulnerability, which means the software reads memory outside the intended boundaries. This can lead to exposure of sensitive information stored in memory. To exploit this vulnerability, an attacker needs the victim to open a malicious file.
How can this vulnerability impact me? :
The vulnerability can lead to disclosure of sensitive information stored in memory. This means an attacker could gain access to confidential data by tricking a user into opening a malicious file. However, the attacker does not gain the ability to modify data or cause denial of service.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should avoid opening malicious files in Substance3D - Designer versions 15.1.0 and earlier, as exploitation requires user interaction through opening a malicious file.
Additionally, consider updating Substance3D - Designer to a version later than 15.1.0 if available, as the vulnerability affects versions 15.1.0 and earlier.