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TI-2026-73551 Aliases CVE-2026-103821GHSA-jcf7-grqp-88fm

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

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 Designer versions through 16.0.4 and prior are affected. An out-of-bounds write (CWE-787) lets data be written outside its intended bounds. If a local user opens a malicious file, an attacker can run arbitrary code in the context of that user.

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

Description from the CNA

Substance3D - Designer 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 0.00138 3rd percentileScored 2026-11-07
Fix Fixed Substance 3D Designer (Adobe): 16.0.7

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 Designerup to 16.0.4 and prior16.0.7Patch availableCNA
  • Substance 3D Designer VendorAdobe Affected up to 16.0.4 and prior Fixed in 16.0.7 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:adobe:substance_3d_designer:*:*:*:*:*:*:*:*before 16.0.7VulnerableAdobe
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:adobe:substance_3d_designer:*:*:*:*:*:*:*:* Versions before 16.0.7 Vulnerable ·Adobe
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Update Adobe Substance 3D Designer to version 16.0.7.

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

  • Fix · CNA Substance 3D Designer (Adobe) Fixed in 16.0.7

Fixed in the same release

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

  • Advisory ·

    Adobe Substance 3D Designer — adobe.com/trust/security/products/substance3d-designer/apsb…

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2026-73559 NULL pointer dereference in Adobe Substance 3D DesignerPriority LOW 24
    • TI-2026-73558 NULL pointer dereference in Adobe Substance 3D DesignerPriority LOW 24
    • TI-2026-73557 Stack-based buffer overflow in Adobe Substance 3D DesignerPriority LOW 24
    Show all 9 records → Advisory →

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-103821
  2. 2026-10-13 Alias added: GHSA-jcf7-grqp-88fm
  3. 2026-10-14 CISA SSVC decision points changed
  4. 2026-10-14 Priority changed: MEDIUM → LOW
  5. 2026-10-14 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-50134 Substance3D - Designer | Out-of-bounds Write (CWE-787) CVSS 3.1HIGH 7.8
  • TI-2026-35827 Substance3D - Designer | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
  • TI-2026-35826 Substance3D - Designer | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
  • TI-2026-35825 Substance3D - Designer | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
  • TI-2026-35824 Substance3D - Designer | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
  • TI-2026-35822 Substance3D - Designer | Heap-based Buffer Overflow (CWE-122) CVSS 3.1HIGH 7.8
See all 60 →

Sources

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