Vulnerability · Published Oct 13, 2026 · Assigned by adobe
CVE-2026-103821Substance3D - Designer | Out-of-bounds Write (CWE-787)
High 7.8
In plain English
A high-severity out-of-bounds write in Substance 3D Designer from Adobe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 96.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Substance3D - Designer is 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Substance 3D Designer | 0 – through 16.0.4 and prior |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H