CVE-2026-21343
Substance3D - Stager | Out-of-bounds Read (CWE-125)
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 |
| Vendor | adobe |
| Product | substance3d - stager |
| Ecosystems | |
| Industries | TechnologyMedia |
| Published | Feb 10, 2026 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Adobe / Substance3D - Stager
0 ≤ 3.1.6