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CVE-2026-21343— Substance3D - Stager | Out-of-bounds Read (CWE-125)

CVSS 7.8 · High EPSS 0.03% · P10
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I. Basic Information for CVE-2026-21343

Vulnerability Information
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Vulnerability Title
Substance3D - Stager | Out-of-bounds Read (CWE-125)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Substance3D - Stager versions 3.1.6 and earlier are affected by an out-of-bounds read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Substance3D Stager 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Substance3D Stager是美国奥多比（Adobe）公司的一款3D场景的布景与渲染软件。 Adobe Substance3D Stager 3.1.6及之前版本存在缓冲区错误漏洞，该漏洞源于解析特制文件时存在越界读取，可能导致在当前用户环境中执行代码。
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

VendorProductAffected VersionsCPESubscribe
AdobeSubstance3D - Stager 0 ~ 3.1.6 -

II. Public POCs for CVE-2026-21343

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III. Intelligence Information for CVE-2026-21343

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Same Patch Batch · Adobe · 2026-02-10 · 44 CVEs total

CVE-2026-213577.8 HIGHInDesign Desktop | Heap-based Buffer Overflow (CWE-122)
CVE-2026-213447.8 HIGHSubstance3D - Stager | Out-of-bounds Read (CWE-125)
CVE-2026-213467.8 HIGHBridge | Out-of-bounds Write (CWE-787)
CVE-2026-213477.8 HIGHBridge | Integer Overflow or Wraparound (CWE-190)
CVE-2026-213417.8 HIGHSubstance3D - Stager | Out-of-bounds Write (CWE-787)
CVE-2026-213537.8 HIGHDNG SDK | Integer Overflow or Wraparound (CWE-190)
CVE-2026-213217.8 HIGHAfter Effects | Integer Overflow or Wraparound (CWE-190)
CVE-2026-213517.8 HIGHAfter Effects | Use After Free (CWE-416)
CVE-2026-213207.8 HIGHAfter Effects | Use After Free (CWE-416)
CVE-2026-213277.8 HIGHAfter Effects | Out-of-bounds Write (CWE-787)
CVE-2026-213347.8 HIGHSubstance3D - Designer | Out-of-bounds Write (CWE-787)
CVE-2026-213297.8 HIGHAfter Effects | Use After Free (CWE-416)
CVE-2026-213237.8 HIGHAfter Effects | Use After Free (CWE-416)
CVE-2026-213247.8 HIGHAfter Effects | Out-of-bounds Read (CWE-125)
CVE-2026-213267.8 HIGHAfter Effects | Use After Free (CWE-416)
CVE-2026-213227.8 HIGHAfter Effects | Out-of-bounds Read (CWE-125)
CVE-2026-213187.8 HIGHAfter Effects | Out-of-bounds Write (CWE-787)
CVE-2026-213287.8 HIGHAfter Effects | Out-of-bounds Write (CWE-787)
CVE-2026-213257.8 HIGHAfter Effects | Out-of-bounds Read (CWE-125)
CVE-2026-213307.8 HIGHAfter Effects | Access of Resource Using Incompatible Type ('Type Confusion') (CWE-843)

Showing top 20 of 44 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Substance3D - Stager
Same vendor: Adobe
Same weakness: CWE-125

V. Comments for CVE-2026-21343

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