CVE-2026-21344

HighCVSS 7.8/10Last modified Aug 28, 2026

Description

Substance3D - Stager versions 3.1.6 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Feb 10, 2026
Last modified
Aug 28, 2026
NVD status
Analyzed

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CVE-2026-21344: High severity, CVSS 7.8 | Vulnix