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CVE-2026-34674— Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)

Quick assessment

Affected
Adobe Adobe Substance 3D Sampler
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Adobe Substance 3D Sampler是美国Adobe公司的一款三维材质采样与生成软件。 Adobe Substance 3D Sampler 5.1.3及之前版本存在缓冲区错误漏洞，该漏洞源于堆缓冲区溢出，可能导致在当前用户环境中执行任意代码，利用该漏洞需要用户交互，受害者必须打开恶意文件。

CVSS 7.8 · High EPSS 0.34% · P26

Possible ATT&CK Techniques 1 AI

T1204 · User Execution

Affected Version Matrix 2

VendorProduct Version RangeStatus
Adobe Adobe Substance 3D Sampler ≤ 5.1.3 affected
6.0 unaffected
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I. Basic Information for CVE-2026-34674

Vulnerability Information
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Vulnerability Title
Substance3D - Sampler | Heap-based Buffer Overflow (CWE-122)
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Substance 3D Sampler 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Substance 3D Sampler是美国Adobe公司的一款三维材质采样与生成软件。 Adobe Substance 3D Sampler 5.1.3及之前版本存在缓冲区错误漏洞，该漏洞源于堆缓冲区溢出，可能导致在当前用户环境中执行任意代码，利用该漏洞需要用户交互，受害者必须打开恶意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Adobe Adobe Substance 3D Sampler 0 ~ 5.1.3 -

II. Public POCs for CVE-2026-34674

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III. Intelligence Information for CVE-2026-34674

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Vendor Advisories for CVE-2026-34674 (1)

Same Patch Batch · Adobe · 2026-08-27 · 3 CVEs total

CVE-2026-34620 5.5 MEDIUM DNG SDK | Out-of-bounds Write (CWE-787)
CVE-2026-34616 5.5 MEDIUM DNG SDK | Out-of-bounds Read (CWE-125)

IV. Related Vulnerabilities

Same product: Adobe Substance 3D Sampler
Same vendor: Adobe
Same weakness: CWE-122

V. Comments for CVE-2026-34674

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