CVE-2026-21342
HIGHSubstance 3D Stager < 3.1.7 - Out-of-bounds Write via Malicious File
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://helpx.adobe.com/security/products/substance3d_stager/apsb26-20.html
Scores
CVSS v3
7.8
EPSS
0.0001
EPSS Percentile
2.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-787
Status
published
Products (1)
adobe/substance_3d_stager
< 3.1.7
Published
Feb 10, 2026
Tracked Since
Feb 18, 2026