CVE-2026-21287

HIGH

Substance3D Stager < 3.1.6 - Use-After-Free via Malicious File

Title source: llm
STIX 2.1

Description

Substance3D - Stager versions 3.1.5 and earlier are affected by a Use After Free 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

Scores

CVSS v3 7.8
EPSS 0.0006
EPSS Percentile 19.6%
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-416
Status published
Products (1)
adobe/substance_3d_stager < 3.1.6
Published Jan 13, 2026
Tracked Since Feb 18, 2026