EUVD-2026-67082
GHSA-fx85-8fxq-hjg3
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
File-parsing attack path is local (AV:L); no privileges needed to open a file (PR:N); victim must actively open the crafted file (UI:R); full code execution yields high C/I/A.
Primary rating from Vendor (adobe).
CVSS VectorVendor: adobe
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Substance3D - Sampler versions 5.1.3 and earlier are affected by a Heap-based Buffer Overflow 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.
AnalysisAI
Heap-based buffer overflow in Adobe Substance 3D Sampler versions 5.1.3 and earlier enables arbitrary code execution at the privilege level of the current user when a crafted file is opened. The vulnerability stems from improper bounds checking during file parsing (CWE-122), allowing a heap memory region to be overwritten with attacker-controlled data. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that a victim user actively open a specially crafted file within Adobe Substance 3D Sampler version 5.1.3 or earlier. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 7.8 (High) reflects high confidentiality, integrity, and availability impact combined with low attack complexity, but the local attack vector (AV:L) and mandatory user interaction (UI:R) are meaningful constraints. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The primary fix is to update Adobe Substance 3D Sampler to the version identified in Adobe advisory APSB26-54 at https://helpx.adobe.com/security/products/substance3d-sampler/apsb26-54.html; the exact patched version number is not independently confirmed from the available input data beyond the statement that versions 5.1.3 and earlier are vulnerable. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all systems running Adobe Substance 3D Sampler versions 5.1.3 and earlier, including offline workstations used by design and content creation teams; use vendor telemetry or endpoint detection if available. …
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Same weakness CWE-122 – Heap-based Buffer Overflow
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External POC / Exploit Code
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