Read the docs
TI-2026-17211 Aliases CVE-2026-21307GHSA-w2q8-3rr5-r697

Substance3D - Designer | 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 - Designer versions 15.0.3 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 0.00182 7th percentileScored 2026-11-07
Fix Fixed Adobe Substance 3D Designer (Adobe): 15.1.0

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 Designerup to 15.0.315.1.0Patch availableCNA
  • Adobe Substance 3D Designer VendorAdobe Affected up to 15.0.3 Fixed in 15.1.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:adobe:substance_3d_designer:*:*:*:*:*:*:*:*before 15.1.0VulnerableAdobe
  • cpe:2.3:a:adobe:substance_3d_designer:*:*:*:*:*:*:*:* Versions before 15.1.0 Vulnerable ·Adobe

Remediation

  • Fix · CNA Adobe Substance 3D Designer (Adobe) Fixed in 15.1.0

Fixed in the same release

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

  • Advisory ·

    Adobe Substance 3D Designer — helpx.adobe.com/security/products/substance3d_designer/apsb…

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-17212 Substance3D - Designer | Out-of-bounds Read (CWE-125)Priority LOW 24

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-21307
  2. 2026-10-03 Alias added: GHSA-w2q8-3rr5-r697

References

  • 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