CVE-2026-21340
Out-of-Bounds Read in Substance3D Designer Leads to Memory Exposure
Publication date: 2026-02-10
Last updated on: 2026-04-28
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?
Substance3D - Designer versions 15.1.0 and earlier have an out-of-bounds read vulnerability. This means the software can read memory outside the intended boundaries, potentially exposing sensitive information stored in memory.
An attacker could exploit this vulnerability by tricking a user into opening a malicious file, which then causes the software to read and disclose sensitive memory data.
How can this vulnerability impact me? :
This vulnerability can lead to memory exposure, allowing an attacker to access sensitive information stored in the application's memory.
Since exploitation requires user interaction (opening a malicious file), the risk depends on the user's actions, but successful exploitation could compromise confidentiality of data.
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, ensure that users do not open malicious files in Substance3D - Designer versions 15.1.0 and earlier.
Consider updating to a later version of Substance3D - Designer if available, as the affected versions are 15.1.0 and earlier.
Educate users about the risks of opening untrusted files to reduce the chance of exploitation.