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CVE-2026-4483

Quick assessment

Affected
Moxa MxGeneralIo
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.

Moxa MxGeneralIo是中国台湾Moxa公司的一个工业输入输出控制库。 Moxa MxGeneralIo存在安全漏洞，该漏洞源于访问控制不足，可能导致权限提升或系统崩溃。

AI Predicted 7.8 Difficulty: Trivial EPSS 0.30% · P22
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I. Basic Information for CVE-2026-4483

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An exposed IOCTL with an  insufficient access control vulnerability has been identified in the utility, MxGeneralIo, for Moxa’s industrial x86 computers. The affected utility, MxGeneralIo, exposes IOCTL methods that permit direct read and write access to MSR and system memory. A local attacker with high privileges could abuse these interfaces to perform unauthorized operations. Successful exploitation may result in privilege escalation on Windows 7 systems or cause a system crash (BSoD) on Windows 10 and 11 systems, leading to a denial-of-service condition. The vulnerability could slightly affect the confidentiality and integrity of the device, but availability might be heavily impacted. No impact to the subsequent system has been identified.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
无充分访问控制条件下暴露IOCTL
Source: CVE Program / CVE List V5
Vulnerability Title
Moxa MxGeneralIo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moxa MxGeneralIo是中国台湾Moxa公司的一个工业输入输出控制库。 Moxa MxGeneralIo存在安全漏洞，该漏洞源于访问控制不足，可能导致权限提升或系统崩溃。
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
Moxa MxGeneralIo 1.0 ~ 1.4.0 -
Moxa MxGeneralIo 1.0 ~ 1.5.0 -
Moxa MxGeneralIo 1.0 ~ 1.4.0 -

II. Public POCs for CVE-2026-4483

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III. Intelligence Information for CVE-2026-4483

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Other References for CVE-2026-4483 (1)

IV. Related Vulnerabilities

Same vendor: Moxa
Same weakness: CWE-782

V. Comments for CVE-2026-4483

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