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TI-2026-73516 Aliases CVE-2026-83966GHSA-vvvj-5c87-gf44

Out-of-bounds write in Adobe Substance 3D Sampler

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

Adobe Substance 3D Sampler from 0 through 6.0.3 contains an out-of-bounds write flaw (CWE-787). The flaw could lead to arbitrary code execution in the context of the current user. A local attacker needs a victim to open a malicious file.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Substance3D - Sampler is 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 0.00182 7th percentileScored 2026-11-07
Fix Fixed Substance 3D Sampler (Adobe): 6.0.4

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
AdobeSubstance 3D Samplerup to 6.0.36.0.4Patch availableCNA
  • Substance 3D Sampler VendorAdobe Affected up to 6.0.3 Fixed in 6.0.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:adobe:substance_3d_sampler:*:*:*:*:*:*:*:*up to 6.0.3VulnerableAdobe
  • cpe:2.3:a:adobe:substance_3d_sampler:*:*:*:*:*:*:*:* Versions up to 6.0.3 Vulnerable ·Adobe

Remediation

Update Adobe Substance 3D Sampler to version 6.0.4, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Substance 3D Sampler (Adobe) Fixed in 6.0.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Adobe Substance 3D Sampler — adobe.com/trust/security/products/substance3d-sampler/apsb2…

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-73515 Stack-based buffer overflow in Adobe Substance 3D SamplerPriority LOW 36
    • TI-2026-73545 Out-of-bounds read in Adobe Substance 3D SamplerPriority LOW 24
    • TI-2026-73544 Out-of-bounds read in Adobe Substance 3D Sampler exposes memoryPriority LOW 24
    Show all 4 records → Advisory →

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-83966
  2. 2026-10-13 Alias added: GHSA-vvvj-5c87-gf44
  3. 2026-10-14 CISA SSVC decision points changed
  4. 2026-10-14 Priority changed: MEDIUM → LOW
  5. 2026-10-15 CISA SSVC decision points changed

References

Advisory 1

  • 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
See all 41 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences