CVE-2026-6421— Mobatek MobaXterm Home Edition msimg32.dll uncontrolled search path
Quick assessment
Affected
Mobatek MobaXterm Home Edition
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.
Mobatek MobaXterm是法国Mobatek公司的一套集成了增强型终端、X服务器和Unix命令集（GNU/Cygwin）的终端软件。 Mobatek MobaXterm Home Edition 26.1及之前版本存在安全漏洞，该漏洞源于库msimg32.dll中未知部分存在不受控制的搜索路径，可能导致本地攻击。
Possible ATT&CK Techniques 1 AI
T1195 · Supply Chain Compromise
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-6421
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Mobatek MobaXterm Home Edition msimg32.dll uncontrolled search path
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Mobatek MobaXterm Home Edition up to 26.1. This affects an unknown part in the library msimg32.dll. The manipulation leads to uncontrolled search path. An attack has to be approached locally. The attack is considered to have high complexity. It is indicated that the exploitability is difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 26.2 is able to mitigate this issue. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Mobatek MobaXterm 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mobatek MobaXterm是法国Mobatek公司的一套集成了增强型终端、X服务器和Unix命令集（GNU/Cygwin）的终端软件。 Mobatek MobaXterm Home Edition 26.1及之前版本存在安全漏洞，该漏洞源于库msimg32.dll中未知部分存在不受控制的搜索路径，可能导致本地攻击。
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 |
|---|---|---|---|---|
| Mobatek | MobaXterm Home Edition | 26.0 | - |
|
II. Public POCs for CVE-2026-6421
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-6421
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-6421 (1)
Vendor Pages for CVE-2026-6421 (1)
Other References for CVE-2026-6421 (1)
IV. Related Vulnerabilities
Same vendor: Mobatek
-
CVE-2026-11967
Arbitrary code execution in MobaXterm Personal Edition (Port -
CVE-2026-11879
Arbitrary code execution in MobaXterm Personal Edition (Port -
CVE-2019-25741
Mobatek MobaXterm 12.1 Buffer Overflow via Sessions File -
CVE-2026-25866
MobaXterm < 26.1 Notepad++ Unquoted Service Path -
CVE-2025-0714
Insecure storage of sensitive information in MobaXTerm <25.0
Same weakness: CWE-427
-
CVE-2026-55013
Windows Remote Help Defense Spoofing Vulnerability -
CVE-2026-55015
Microsoft Remote Help Denial of Service Vulnerability -
CVE-2026-59781
Improper validation of custom installation directories on Wi -
CVE-2026-56090
Dell ObjectScale 权限许可和访问控制问题漏洞 -
CVE-2026-0294
Prisma Access Agent: Local Privilege Escalation
V. Comments for CVE-2026-6421
No comments yet