Out-of-Bounds Read Vulnerability in Substance3D - Stager by Adobe
CVE-2026-21345

7.8HIGH

Key Information:

Vendor

Adobe
Status
Substance3d - Stager
Vendor
CVE Published:
10 February 2026

What is CVE-2026-21345?

Substance3D - Stager versions 3.1.6 and earlier are susceptible to an out-of-bounds read vulnerability during the parsing of specially crafted files. This vulnerability allows an attacker to read memory beyond allocated structures, presenting a significant risk for potential code execution within the context of the current user. Successful exploitation necessitates that the victim opens a malicious file, thereby enabling the attacker’s malicious code execution.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

Substance3D - Stager 0 <= 3.1.6

References

https://helpx.adobe.com/security/products/substance3d_sta...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.