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TI-2026-17209 Aliases CVE-2026-21305GHSA-c5gx-vgq9-vqjp

Substance3D - Painter | 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 - Painter versions 11.0.3 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 0.0017 6th percentileScored 2026-11-07
Fix Fixed Substance3D - Painter (Adobe): 11.1.2

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
AdobeSubstance3D - Painterup to 11.0.311.1.2Patch availableCNA
  • Substance3D - Painter VendorAdobe Affected up to 11.0.3 Fixed in 11.1.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:adobe:substance_3d_painter:*:*:*:*:*:*:*:*before 11.1.2VulnerableAdobe
  • cpe:2.3:a:adobe:substance_3d_painter:*:*:*:*:*:*:*:* Versions before 11.1.2 Vulnerable ·Adobe

Remediation

  • Fix · CNA Substance3D - Painter (Adobe) Fixed in 11.1.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-21305
  2. 2026-10-03 Alias added: GHSA-c5gx-vgq9-vqjp

References

Advisory 1

  • 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

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