CVE-2026-34684: Out-of-bounds Write (CWE-787) in Adobe Substance3D - Designer
CVE-2026-34684 is an out-of-bounds write vulnerability in Adobe Substance3D - Designer versions 15.1.0 and earlier. This flaw could allow an attacker to execute arbitrary code with the privileges of the current user if the user opens a specially crafted malicious file. Exploitation requires user interaction. The vulnerability has a high severity rating with a CVSS score of 7.8.
AI Analysis
Technical Summary
Adobe Substance3D - Designer versions 15.1.0 and earlier contain an out-of-bounds write vulnerability (CWE-787) that can lead to arbitrary code execution in the context of the current user. Successful exploitation depends on a victim opening a malicious file, enabling an attacker to potentially execute code with user-level privileges. The CVSS 3.1 vector indicates the attack requires local access with low complexity, no privileges, and user interaction, impacting confidentiality, integrity, and availability.
Potential Impact
If exploited, this vulnerability allows arbitrary code execution with the current user's privileges, potentially compromising confidentiality, integrity, and availability of the affected system. However, exploitation requires user interaction by opening a malicious file. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when opening files from untrusted sources to avoid triggering this vulnerability.
CVE-2026-34684: Out-of-bounds Write (CWE-787) in Adobe Substance3D - Designer
Description
CVE-2026-34684 is an out-of-bounds write vulnerability in Adobe Substance3D - Designer versions 15.1.0 and earlier. This flaw could allow an attacker to execute arbitrary code with the privileges of the current user if the user opens a specially crafted malicious file. Exploitation requires user interaction. The vulnerability has a high severity rating with a CVSS score of 7.8.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Adobe Substance3D - Designer versions 15.1.0 and earlier contain an out-of-bounds write vulnerability (CWE-787) that can lead to arbitrary code execution in the context of the current user. Successful exploitation depends on a victim opening a malicious file, enabling an attacker to potentially execute code with user-level privileges. The CVSS 3.1 vector indicates the attack requires local access with low complexity, no privileges, and user interaction, impacting confidentiality, integrity, and availability.
Potential Impact
If exploited, this vulnerability allows arbitrary code execution with the current user's privileges, potentially compromising confidentiality, integrity, and availability of the affected system. However, exploitation requires user interaction by opening a malicious file. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when opening files from untrusted sources to avoid triggering this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-03-30T17:30:36.496Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a03d8cfcbff5d86103ec246
Added to database: 05/13/2026, 01:50:07 UTC
Last enriched: 05/20/2026, 19:07:56 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 83
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