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TI-2026-26918 Aliases CVE-2026-34674GHSA-fx85-8fxq-hjg3

Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)

Priority LOW 36CWE-122Published · 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-122 and the CVSS impact.

Summary

Substance3D - Sampler versions 5.1.3 and earlier are affected by a Heap-based Buffer Overflow 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 0.00337 27th percentileScored 2026-11-07
Fix Fixed Adobe Substance 3D Sampler (Adobe): 6.0

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

VendorProductAffected versionsFixed inStatusSource
AdobeAdobe Substance 3D Samplerup to 5.1.36.0Patch availableCNA
  • Adobe Substance 3D Sampler VendorAdobe Affected up to 5.1.3 Fixed in 6.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:adobe:substance_3d_painter:*:*:*:*:*:*:*:*up to 5.1.3VulnerableAdobe
  • cpe:2.3:a:adobe:substance_3d_painter:*:*:*:*:*:*:*:* Versions up to 5.1.3 Vulnerable ·Adobe

Remediation

  • Fix · CNA Adobe Substance 3D Sampler (Adobe) Fixed in 6.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-34674
  2. 2026-10-03 Alias added: GHSA-fx85-8fxq-hjg3

References

  • TI-2024-36120 Substance3D - Painter | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
  • TI-2026-53040 Substance3D - Painter | Out-of-bounds Write (CWE-787) CVSS 3.1HIGH 7.8
  • TI-2026-53039 Substance3D - Painter | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
  • TI-2026-53038 Substance3D - Painter | Untrusted Search Path (CWE-426) CVSS 3.1HIGH 7.8
  • TI-2026-53037 Substance3D - Painter | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
  • TI-2026-53036 Substance3D - Painter | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
See all 86 →

Sources