CVE-2026-21334
published 2026-02-10CVE-2026-21334: Substance3D - Designer versions 15.1.0 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the…
PriorityP345high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
0.21%
11.3th percentile
Substance3D - Designer versions 15.1.0 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| adobe | adobe_substance_3d_designer | <= 15.1.1 | — |
| adobe | substance_3d_designer | < 15.1.2 | 15.1.2 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Adobe Substance3D Designer up to 15.1.0 File out-of-bounds write (apsb26-19 / Nessus ID 298814)
vuldb·2026-08-29·CVSS 7.8
CVE-2026-21334 [HIGH] Adobe Substance3D Designer up to 15.1.0 File out-of-bounds write (apsb26-19 / Nessus ID 298814)
A vulnerability marked as critical has been reported in Adobe Substance3D Designer up to 15.1.0. Affected by this issue is some unknown functionality of the component File Handler. The manipulation leads to out-of-bounds write.
This vulnerability is referenced as CVE-2026-21334. Remote exploitation of the attack is possible. No exploit is available.
It is suggested to upgrade the affected component.
GHSA
GHSA-3f33-jfgv-27j6: Substance3D - Designer versions 15
ghsa_unreviewed·2026-02-10
CVE-2026-21334 [HIGH] CWE-787 GHSA-3f33-jfgv-27j6: Substance3D - Designer versions 15
Substance3D - Designer versions 15.1.0 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
No detection rules found.
No public exploits indexed.
2026-02-10
Published