Substance 3d Painter
CVE-2026-21305
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Substance3D - Painter versions 11.0.3 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.
AnalysisAI
Arbitrary code execution in Adobe Substance 3D Painter versions 11.0.3 and earlier through an out-of-bounds write flaw allows attackers to execute commands with user privileges when a victim opens a crafted file. The vulnerability requires user interaction but carries high impact potential across confidentiality, integrity, and availability. No patch is currently available for affected users.
Technical ContextAI
Classified as CWE-787 (Out-of-bounds Write). Affects Substance 3D Painter. Substance3D - Painter versions 11.0.3 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.
RemediationAI
Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible.
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today