CVE-2026-21342

HighCVSS 7.8/10Last modified Aug 28, 2026

Description

Substance3D - Stager versions 3.1.6 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.

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-787

Affected software

No affected versions have been published.

Timeline

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

Related CVEs from 2026

CVE-2026-213437.8Substance3D - Stager versions 3.1.6 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which couldCVE-2026-213447.8Substance3D - Stager versions 3.1.6 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which couldCVE-2026-213457.8Substance3D - Stager versions 3.1.6 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which couldCVE-2026-213467.8Bridge versions 15.1.3, 16.0.1 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code executioCVE-2026-213477.8Bridge versions 15.1.3, 16.0.1 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary coCVE-2026-213485.5Substance3D - Modeler versions 1.22.5 and earlier are affected by an out-of-bounds read vulnerability that could lead to memory exposure. AnCVE-2026-213497.8Lightroom Desktop versions 15.1 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code executiCVE-2026-21358.8A vulnerability was detected in UTT HiPER 810 1.7.4-141218. The impacted element is the function sub_43F020 of the file /goform/formPdbUpConCVE-2026-213505.5After Effects versions 25.6 and earlier are affected by a NULL Pointer Dereference vulnerability that could lead to application denial-of-seCVE-2026-213517.8After Effects versions 25.6 and earlier are affected by a Use After Free vulnerability that could result in arbitrary code execution in the CVE-2026-213527.8DNG SDK versions 1.7.1 2410 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution iCVE-2026-213537.8DNG SDK versions 1.7.1 2410 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code
CVE-2026-21342: High severity, CVSS 7.8 | Vulnix