Vulnerability · Published Jan 13, 2026 · Assigned by adobe

CVE-2026-21308Substance3D - Designer | Out-of-bounds Read (CWE-125)

Medium 5.5

In plain English

A medium-severity out-of-bounds read in Adobe 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 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 91.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Substance3D - Designer versions 15.0.3 and earlier are affected by an Out-of-bounds Read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected products (as reported)

VendorProductVersions
Adobe Adobe Substance 3D Designer 0 – through 15.0.3

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References