Out-of-Bounds Read Vulnerability in Substance3D Designer by Adobe

CVE-2026-21339

What is CVE-2026-21339?

Substance3D Designer versions 15.1.0 and earlier are vulnerable to an out-of-bounds read issue, which can result in the exposure of sensitive information from memory. This vulnerability requires user interaction, as it is triggered when a victim opens a specially crafted file. Attackers may exploit this flaw to gain unauthorized access to confidential data stored within the application's memory.

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