Quick answers
- Is CVE-2026-21298 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-21298 being exploited in the wild.
- How severe is CVE-2026-21298?
- High severity, with a CVSS score of 7.8, published 13 January 2026.
- Which products and versions are affected?
- Adobe Substance3D Modeler 1.22.4 and earlier.
- Is there a fix for CVE-2026-21298?
- A patch was published on 2026-01-13: Fixed in version 1.22.5 and later Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-21298 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-21298?
- 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 write flaw in Substance3D Modeler that enables arbitrary code execution within the context of the current user. The vulnerability requires user interaction—specifically, the victim must open a malicious file—to be exploited. The attack vector is local, requiring the attacker to deliver a crafted file to the target. No network exploitation or elevated privileges are required beyond standard user access. A patch is available for versions 1.22.5 and later.
Affected products
- Adobe Substance3D Modeler 1.22.4 and earlier
Timeline
- 2026-01-13: disclosed
- 2026-01-13: patched: Fixed in version 1.22.5 and later