CVE-2026-34675

High

Description

Substance3D - Painter versions 12.0.2 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.

SeverityHigh

CVSS7.8

Exploit probability—

Product

Adobe Substance 3d Painter

PublishedMay 12, 2026

First seenMay 12, 2026

Weakness typeCWE-787Out-of-bounds write

How to fix

Update

adobe substance_3d_painter12.0.3 or later

Vendor advisories

helpx.adobe.com/security/products/substance3d_painter/apsb26-55.html

Affected products

Product	Affected versions	Fixed in
adobe substance_3d_painter	v < 12.0.3	12.0.3

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