Medium severity · published Feb 10, 2026
CVE-2026-21338
Substance3D - Designer | NULL Pointer Dereference (CWE-476)
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
Substance3D - Designer versions 15.1.0 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to crash the application, causing disruption to services. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Adobe Substance 3D Designer · Adobe
through 15.1.1 · source: vendor
S3
Substance 3d Designer · Adobe
before 15.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21338
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21338
Vendor Advisory
https://helpx.adobe.com/security/products/substance3d_designer/apsb26-19.html
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