Quick answers
- Is CVE-2026-21348 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-21348 being exploited in the wild.
- How severe is CVE-2026-21348?
- Medium severity, with a CVSS score of 5.5, published 10 February 2026.
- Which products and versions are affected?
- Adobe Substance3D Modeler 1.22.5 and earlier.
- Is there a fix for CVE-2026-21348?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-21348 attacked?
- It is attacked with local access, in a software library.
- Am I affected by CVE-2026-21348?
- Check whether you run Adobe Substance 3d Modeler or Adobe Substance3D Modeler at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is an out-of-bounds read in Substance3D Modeler versions 1.22.5 and earlier that allows attackers to read data beyond allocated memory boundaries. The attack requires user interaction—specifically, a victim must open a malicious file—but does not require authentication or special privileges. Successful exploitation could disclose sensitive information stored in the application's memory. Adobe has assigned CVE-2026-21348 with a CVSS v3.1 score of 5.5 (medium severity). A patch is likely available from Adobe's security advisory APSB26-22.
Affected products
- Adobe Substance3D Modeler 1.22.5 and earlier
Timeline
- 2026-02-10: disclosed