Substance3D - Sampler | Out-of-bounds Write (CWE-787)
Priority LOW 35CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Substance3D - Sampler versions 5.1.0 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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00195 9th percentileScored 2026-11-07
Fix Fixed Adobe Substance 3D Sampler (Adobe): 5.1.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Adobe Substance 3D Sampler (Adobe) Fixed in 5.1.3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-21306
- 2026-10-03 Alias added: GHSA-5fw5-2cfw-cr9r
References
More Adobe Substance 3d Sampler vulnerabilities
- TI-2026-73515 Stack-based buffer overflow in Adobe Substance 3D Sampler CVSS 3.1HIGH 7.8
- TI-2026-57743 Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
- TI-2026-50023 Substance3D - Sampler | Out-of-bounds Write (CWE-787) CVSS 3.1HIGH 7.8
- TI-2026-35819 Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
- TI-2026-35818 Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
- TI-2026-35817 Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
Sources
- CVE-2026-21306 · CVE Program
- CVE-2026-21306 · NVD
- FIRST EPSS
- GHSA-5fw5-2cfw-cr9r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences