CVE-2026-103827 Substance3D - Designer | Stack-based Buffer Overflow (CWE-121)
An attacker can cause a denial of service by tricking a user into opening a malicious file in Substance 3D Designer.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-103827?
CVE-2026-103827 is a medium-severity memory corruption vulnerability in Adobe Substance 3d Designer, published on 13 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Substance3D - Designer is affected by a Stack-based Buffer Overflow vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Weakness: CWE-121
Which versions are affected by CVE-2026-103827?
It affects 1 product.
Products include Adobe Substance 3d Designer.
How do I fix CVE-2026-103827?
No fix has been published for CVE-2026-103827 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-103827 being exploited?
There is no known exploitation of CVE-2026-103827 in the wild and no public exploit code.
Other vulnerabilities in Adobe Substance 3d Designer
- CVE-2026-103821 Substance3D - Designer | Out-of-bounds Write (CWE-787)
- CVE-2026-48426 Substance3D - Designer | Out-of-bounds Write (CWE-787)
- CVE-2026-48427 Substance3D - Designer | Out-of-bounds Write (CWE-787)
- CVE-2026-48428 Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
- CVE-2026-48430 Substance3D - Designer | Heap-based Buffer Overflow (CWE-122)
Sources
Also known as GHSA-vh29-8wfc-qc73.