CVE-2026-103821— Substance3D - Designer | Out-of-bounds Write (CWE-787)
Quick assessment
Affected
Adobe Substance 3D Designer
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.
Substance3D - Designer 存在一个越界写入漏洞，可能导致在当前用户上下文中的任意代码执行。利用此漏洞需要用户交互，即受害者必须打开一个恶意文件。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-103821
Vulnerability Information
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Vulnerability Title
Substance3D - Designer | Out-of-bounds Write (CWE-787)
Source: CVE Program / CVE List V5
Vulnerability Description
Substance3D - Designer is 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.
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
跨界内存写
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Adobe | Substance 3D Designer | 0 ~ 16.0.4 and prior | - |
|
II. Public POCs for CVE-2026-103821
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Other References for CVE-2026-103821 (1)
Same Patch Batch · Adobe · 2026-10-13 · 177 CVEs total
| CVE-2026-106624 | 10.0 CRITICAL | ColdFusion | Improper Control of Generation of Code ('Code Injection') (CWE-94) |
| CVE-2026-105899 | 10.0 CRITICAL | ColdFusion | Unrestricted Upload of File with Dangerous Type (CWE-434) |
| CVE-2026-106622 | 10.0 CRITICAL | ColdFusion | Server-Side Request Forgery (SSRF) (CWE-918) |
| CVE-2026-90532 | 10.0 CRITICAL | Adobe Experience Manager | Incorrect Authorization (CWE-863) |
| CVE-2026-48383 | 10.0 CRITICAL | Adobe Experience Manager | Incorrect Authorization (CWE-863) |
| CVE-2026-48382 | 10.0 CRITICAL | Adobe Experience Manager | Incorrect Authorization (CWE-863) |
| CVE-2026-103849 | 10.0 CRITICAL | Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CW |
| CVE-2026-106612 | 9.9 CRITICAL | ColdFusion | Incorrect Authorization (CWE-863) |
| CVE-2026-103848 | 9.9 CRITICAL | Adobe Experience Manager | Improper Neutralization of Special Elements used in an OS Comma |
| CVE-2026-105895 | 9.9 CRITICAL | Adobe Experience Manager | Improper Input Validation (CWE-20) |
| CVE-2026-105903 | 9.9 CRITICAL | ColdFusion | Improper Control of Generation of Code ('Code Injection') (CWE-94) |
| CVE-2026-75732 | 9.9 CRITICAL | Adobe Experience Manager | Incorrect Authorization (CWE-863) |
| CVE-2026-92909 | 9.8 CRITICAL | Adobe Commerce | Incorrect Authorization (CWE-863) |
| CVE-2026-90531 | 9.6 CRITICAL | Adobe Experience Manager | Improper Restriction of XML External Entity Reference ('XXE') ( |
| CVE-2026-106620 | 9.6 CRITICAL | ColdFusion | Incorrect Authorization (CWE-863) |
| CVE-2026-75994 | 9.6 CRITICAL | ColdFusion | Incorrect Authorization (CWE-863) |
| CVE-2026-106629 | 9.3 CRITICAL | Adobe Experience Manager | Cross-site Scripting (Stored XSS) (CWE-79) |
| CVE-2026-106630 | 9.3 CRITICAL | Adobe Experience Manager | Cross-site Scripting (Stored XSS) (CWE-79) |
| CVE-2026-83662 | 9.3 CRITICAL | Adobe Experience Manager | Cross-site Scripting (Reflected XSS) (CWE-79) |
| CVE-2026-100133 | 9.3 CRITICAL | Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79) |
Showing top 20 of 177 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Substance 3D Designer
-
CVE-2026-103822
Substance3D - Designer | Out-of-bounds Read (CWE-125) -
CVE-2026-103825
Substance3D - Designer | Out-of-bounds Read (CWE-125) -
CVE-2026-103824
Substance3D - Designer | NULL Pointer Dereference (CWE-476) -
CVE-2026-103823
Substance3D - Designer | Stack-based Buffer Overflow (CWE-12 -
CVE-2026-103826
Substance3D - Designer | NULL Pointer Dereference (CWE-476)
Same vendor: Adobe
-
CVE-2026-100119
CAI Content Credentials | Improper Input Validation (CWE-20) -
CVE-2026-102501
CAI Content Credentials | Improper Input Validation (CWE-20) -
CVE-2026-100114
CAI Content Credentials | Improper Access Control (CWE-284) -
CVE-2026-100136
CAI Content Credentials | Integer Overflow or Wraparound (CW -
CVE-2026-103294
CAI Content Credentials | Improper Certificate Validation (C
Same weakness: CWE-787
-
CVE-2026-100229
Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: ou -
CVE-2026-100231
Gstreamer1-plugins-bad-free: gstreamer1-plugins-bad-free: he -
CVE-2026-86476
Gstreamer1-plugins-base: gst-plugins-base: heap buffer overf -
CVE-2026-86573
Out-of-bounds Write Vulnerability in Hitachi Disk Array Driv -
CVE-2026-84419
Out-of-Bounds Write
V. Comments for CVE-2026-103821
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