Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-103840— Substance3D - Stager | Out-of-bounds Read (CWE-125)

Quick assessment

Affected
Adobe Adobe Substance 3D Stager
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 Stager 在解析恶意构造的文件时存在一个越界读取漏洞，该漏洞可能导致读取已分配内存结构末尾之外的数据。攻击者可以利用此漏洞在当前用户上下文中执行代码。要利用此漏洞，需要用户交互，即受害者必须打开一个恶意文件。

CVSS 7.8 · High
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-103840

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Substance3D - Stager | Out-of-bounds Read (CWE-125)
Source: CVE Program / CVE List V5
Vulnerability Description
Substance3D - Stager is 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: 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
跨界内存读
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Adobe Adobe Substance 3D Stager 0 ~ 3.1.8 -

II. Public POCs for CVE-2026-103840

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-103840

请登录查看更多情报信息。

Other References for CVE-2026-103840 (1)

Same Patch Batch · Adobe · 2026-10-13 · 177 CVEs total

CVE-2026-106622 10.0 CRITICAL ColdFusion | Server-Side Request Forgery (SSRF) (CWE-918)
CVE-2026-106624 10.0 CRITICAL ColdFusion | Improper Control of Generation of Code ('Code Injection') (CWE-94)
CVE-2026-103849 10.0 CRITICAL Adobe Commerce | Improper Neutralization of Special Elements Used in a Template Engine (CW
CVE-2026-48382 10.0 CRITICAL Adobe Experience Manager | Incorrect Authorization (CWE-863)
CVE-2026-48383 10.0 CRITICAL Adobe Experience Manager | Incorrect Authorization (CWE-863)
CVE-2026-105899 10.0 CRITICAL ColdFusion | Unrestricted Upload of File with Dangerous Type (CWE-434)
CVE-2026-90532 10.0 CRITICAL Adobe Experience Manager | 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-2026-106612 9.9 CRITICAL ColdFusion | Incorrect Authorization (CWE-863)
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-2026-75994 9.6 CRITICAL ColdFusion | Incorrect Authorization (CWE-863)
CVE-2026-106620 9.6 CRITICAL ColdFusion | Incorrect Authorization (CWE-863)
CVE-2026-90531 9.6 CRITICAL Adobe Experience Manager | Improper Restriction of XML External Entity Reference ('XXE') (
CVE-2026-100133 9.3 CRITICAL Adobe Commerce | Cross-site Scripting (Stored XSS) (CWE-79)
CVE-2026-90530 9.3 CRITICAL ColdFusion | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'
CVE-2026-83662 9.3 CRITICAL Adobe Experience Manager | Cross-site Scripting (Reflected XSS) (CWE-79)
CVE-2026-106629 9.3 CRITICAL Adobe Experience Manager | Cross-site Scripting (Stored XSS) (CWE-79)

Showing top 20 of 177 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Adobe Substance 3D Stager
Same vendor: Adobe
Same weakness: CWE-125

V. Comments for CVE-2026-103840

No comments yet

Leave a comment