CVE-2026-16438
CriticalCVSS 9.4Summary
Mitsubishi Electric products (GENESIS64, ICONICS Suite, Hyper Historian, AnalytiX, MobileHMI, MC Works64) versions 10.97.3 and prior contain an incorrect privilege assignment vulnerability. Installers grant default DCOM permissions to the administrator account, allowing an attacker to locally or remotely launch and operate DCOM objects that should require UAC elevation.
Risk Assessment
The vulnerability could lead to disclosure, tampering, destruction, or deletion of internal information, or cause a denial-of-service (DoS) condition. Organizations using these products are exposed to attacks using the administrator account.
Recommendation
Update products to the latest versions or apply vendor patches. Restrict DCOM permissions for the administrator account and monitor unusual DCOM activity.
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Original NVD description (English source)
Incorrect Privilege Assignment vulnerability in Mitsubishi Electric GENESIS64 versions 10.97.3 and prior, ICONICS Suite versions 10.97.3 and prior, Hyper Historian versions 10.97.3 and prior, AnalytiX versions 10.97.3 and prior, MobileHMI 10.97.3 and prior, MC Works64 all versions, Mitsubishi Electric Iconics Digital Solutions GENESIS64 versions 10.97.3 and prior, ICONICS Suite versions 10.97.3 and prior, Hyper Historian versions 10.97.3 and prior, AnalytiX versions 10.97.3 and prior, and MobileHMI 10.97.3 and prior allows an attacker who can log in using the same administrator account for the affected products to launch and operate DCOM objects locally or remotely. During installation, the installers of the affected products unnecessarily grant default DCOM permissions to the administrator account of the affected products. Users with that administrator accounts can locally or remotely launch and operate DCOM objects that should require UAC elevation. As a result, the attacker may disclose, tamper with, destroy, or delete internal information, or cause the affected system to enter a denial-of-service (DoS) condition.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS