CVE-2026-16438 is an incorrect privilege assignment vulnerability affecting Mitsubishi Electric GENESIS64 and related products up to version 10.97.3, as well as all versions of MC Works64. The issue arises because installers grant default DCOM permissions to administrator accounts unnecessarily, allowing those accounts to launch and operate DCOM objects locally or remotely without required UAC elevation. This can lead to unauthorized disclosure, tampering, destruction, or deletion of internal information, or cause denial-of-service conditions.
CVE-2026-16437 is a high-severity vulnerability in Mitsubishi Electric Corporation GENESIS and related products. It involves a weak password recovery mechanism that allows an authenticated local administrator to tamper with the management file storing the challenge response. This file is protected by Windows, but administrators can read and write it, enabling potential disclosure, tampering, destruction, or deletion of internal information, or causing a denial-of-service condition. The vulnerability affects multiple GENESIS product versions and related software. A patch is available to address this issue.
CVE-2026-16436 is a critical vulnerability in Mitsubishi Electric Corporation's GENESIS and related products involving a weak password recovery mechanism. The challenge response used to unlock the system is fixed and common to all users, allowing a remote attacker to bypass authentication. This vulnerability affects multiple versions of GENESIS, GENESIS64, ICONICS Suite, Hyper Historian, AnalytiX, MobileHMI, IoTWorX, MC Works64, GENESIS32, and BizViz. Exploitation could lead to unauthorized disclosure, tampering, destruction, or deletion of internal information, or cause a denial-of-service condition. A patch is available, and the affected products are cloud services with vendor-managed remediation.
CVE-2026-15688 is a critical vulnerability in Mitsubishi Electric Corporation's GX Works3 and Motion Control Setting software. It involves an incorrect implementation of the authentication algorithm that allows a local attacker to authenticate successfully with an invalid block password by modifying the executable module in memory. This flaw could enable unauthorized viewing, tampering, destruction, or deletion of control programs. The vulnerability has a high CVSS 4.0 score of 9.2, indicating severe impact on confidentiality, integrity, and availability. A patch is available, and the product is a cloud service, so the vendor manages remediation.
Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability in Mitsubishi Electric MELSEC MX Controller MX-R model, MELSEC MX Controller MX-F model, Master/local module, CC-Link IE TSN interface board, Motion module, MELSEC iQ-L Series Motion Module, Motion Control Board, Block-type remote module, Block-type remote module with safety functions, Analog-Digital converter module, Digital-Analog converter module, CC-Link IE TSN compatible coupler, FPGA module, Tension meter, AC Servo MELSERVO-J5, AC Servo MELSERVO-JET, Liner Track System MTR-S series Linear track control module, Inverter FR-A800/F800/E800 Series, Industrial Robot CR800-D series controller Network Base Card, CC-Link IE TSN expansion unit, CC-Link IE TSN-CC-Link IE Field Network bridge module, CC-Link IE TSN-AnyWireASLINK bridge module, Energy Measuring Unit CC-Link IE TSN Communication Unit, GOT3000 Series, CC-Link IE TSN Communication Unit, Motion Control Software, CC-Link IE TSN Communication Software for Windows, Analysis Support Software MELSOFT VIMA, Master/Local module Designated communication LSI DeviceKit, Remote Station Communication LSI with GbE-PHY, CC-Link IE TSN Master/Local module Designated communication LSI SDK, and Remote station software development kit allows an attacker with access to a CC-Link IE TSN network to tamper with communication data (control input/output values) by sending specially crafted packets under specific timing conditions. This could allow the attacker to cause a denial-of-service (DoS) condition in the affected product by interfering with its control function or causing it to operate incorrectly.
CVE-2026-8806 is a high-severity vulnerability in all versions of the Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module. It allows a remote attacker to cause a denial-of-service (DoS) by flooding the Ethernet port with a large number of packets in a short time. This overload prevents the module's internal anomaly-detection processing, leading to a communication function failure.
CVE-2026-8805 is an integer overflow vulnerability in the EtherNet/IP function of Mitsubishi Electric MELSEC iQ-F Series FX5-EIP EtherNet/IP module FX5-EIP versions 1.000 and earlier. A remote attacker can exploit this by rapidly establishing many TCP connections, causing a denial-of-service (DoS) condition due to improper memory access triggered by internal connection management inconsistencies.
Use of Hard-coded Credentials vulnerability in Mitsubishi Electric Room Air Conditioners (for Japan and outside Japan); Wireless LAN Adapters for Room Air Conditioners (for Japan and outside Japan); Wireless LAN Adapters for Packaged Air Conditioners (for Japan and outside Japan); Refrigerators (for Japan); Heat Pump Water Heaters / HEMS-Compatible Adapters / Wireless LAN Adapters (for Japan); Bathroom Dryer / Heater / Ventilation Systems (for Japan); Adapters for Airflow Ventilation Systems, Heat Pump Chilled / Hot Water Systems, and Ventilation / Air-Conditioning System Air Resorts (for Japan); Lossnay Central Ventilation Systems (for Japan); Smart Switches for Ventilation Fans and Lossnay (for Japan); IH Cooking Heaters (for Japan); and Rice Cookers (for Japan) allows an attacker within Wi-Fi radio range of an affected product to access the affected product using a hard-coded SSID and password, thereby obtaining device data such as operation status, room set temperature, and room temperature; changing the air-conditioner or Wi-Fi settings; or causing Wi-Fi communication to enter a denial-of-service (DoS) condition.
Cleartext Storage of Sensitive Information in GUI vulnerability in Mitsubishi Electric GENESIS64 versions 10.97.3 and prior, Mitsubishi Electric ICONICS Suite versions 10.97.3 and prior, Mitsubishi Electric MobileHMI versions 10.97.3 and prior, Mitsubishi Electric Hyper Historian versions 10.97.3 and prior, Mitsubishi Electric AnalytiX versions 10.97.3 and prior, Mitsubishi Electric GENESIS versions 11.02 and prior, Mitsubishi Electric MC Works64 all versions, Mitsubishi Electric Iconics Digital Solutions GENESIS64 versions 10.97.3 and prior, Mitsubishi Electric Iconics Digital Solutions ICONICS Suite versions 10.97.3 and prior, Mitsubishi Electric Iconics Digital Solutions MobileHMI versions 10.97.3 and prior, Mitsubishi Electric Iconics Digital Solutions Hyper Historian versions 10.97.3 and prior, Mitsubishi Electric Iconics Digital Solutions AnalytiX versions 10.97.3 and prior, and Mitsubishi Electric Iconics Digital Solutions GENESIS versions 11.02 and prior allows a local attacker to disclose the SQL Server credentials displayed in plain text in the GUI of the Hyper Historian Splitter feature by exploiting this vulnerability, when SQL authentication is used for the SQL Server authentication. As a result, the unauthorized attacker could access the SQL Server and disclose, tamper with, or destroy data on the server, potentially cause a denial-of-service (DoS) condition on the system.
Cleartext Storage of Sensitive Information vulnerability in Mitsubishi Electric GENESIS64 versions 10.97.3 and prior, Mitsubishi Electric ICONICS Suite versions 10.97.3 and prior, Mitsubishi Electric MobileHMI versions 10.97.3 and prior, Mitsubishi Electric Hyper Historian versions 10.97.3 and prior, Mitsubishi Electric AnalytiX versions 10.97.3 and prior, Mitsubishi Electric GENESIS versions 11.02 and prior, Mitsubishi Electric MC Works64 all versions, Mitsubishi Electric Iconics Digital Solutions GENESIS64 versions 10.97.3 and prior, Mitsubishi Electric Iconics Digital Solutions ICONICS Suite versions 10.97.3 and prior, Mitsubishi Electric Iconics Digital Solutions MobileHMI versions 10.97.3 and prior, Mitsubishi Electric Iconics Digital Solutions Hyper Historian versions 10.97.3 and prior, Mitsubishi Electric Iconics Digital Solutions AnalytiX versions 10.97.3 and prior, and Mitsubishi Electric Iconics Digital Solutions GENESIS versions 11.02 and prior allows a local attacker to disclose the SQL Server credentials stored in plaintext within the local SQLite file by exploiting this vulnerability, when the local caching feature using SQLite is enabled and SQL authentication is used for the SQL Server authentication. As a result, the unauthorized attacker could access the SQL Server and disclose, tamper with, or destroy data on the server, potentially cause a denial-of-service (DoS) condition on the system.
Improper Validation of Specified Index, Position, or Offset in Input vulnerability in Mitsubishi Electric CNC M800V Series M800VW and M800VS, M80V Series M80V and M80VW, M800 Series M800W and M800S, M80 Series M80 and M80W, E80 Series E80, C80 Series C80, and M700V Series M750VW, M720VW, 730VW, M720VS, M730VS, and M750VS, M70V Series M70V, E70 Series E70 allows a remote attacker to cause an out-of-bounds read, resulting in a denial-of-service condition by sending specially crafted packets to TCP port 683.
Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP all versions allows a remote attacker to cause a denial-of-service (DoS) condition on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery.
Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service (DoS) condition on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery.
Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service (DoS) condition on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery.
Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric MELSEC iQ-R Series R08PCPU, R16PCPU, R32PCPU, and R120PCPU allows an unauthenticated attacker to read device data or part of a control program from the affected product, write device data in the affected product, or cause a denial of service (DoS) condition on the affected product by sending a specially crafted packet containing a specific command to the affected product.
CVE-2025-10314 is a high-severity vulnerability in Mitsubishi Electric Corporation's FREQSHIP-mini for Windows versions 8.0.0 to 8.0.2. It arises from incorrect default permissions that allow a local attacker with limited privileges to replace service executable files or DLLs in the installation directory with malicious versions. Exploiting this flaw enables arbitrary code execution with system-level privileges, potentially leading to full system compromise, data disclosure, tampering, deletion, or denial of service. No user interaction is required, but local access with low privileges is necessary. The vulnerability affects confidentiality, integrity, and availability of affected systems. Although no known exploits are currently reported in the wild, the high CVSS score (8.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in the software keyboard function (hereinafter referred to as "keypad function") of Mitsubishi Electric GENESIS64 versions 10.97.2 CFR3 and prior, Mitsubishi Electric Iconics Digital Solutions GENESIS64 versions 10.97.2 CFR3 and prior, Mitsubishi Electric ICONICS Suite versions 10.97.2 CFR3 and prior, Mitsubishi Electric Iconics Digital Solutions ICONICS Suite versions 10.97.2 CFR3 and prior, Mitsubishi Electric MobileHMI versions 10.97.2 CFR3 and prior, Mitsubishi Electric Iconics Digital Solutions MobileHMI versions 10.97.2 CFR3 and prior, and Mitsubishi Electric MC Works64 all versions allows a local attacker to execute arbitrary executable files (EXE) when a legitimate user uses the keypad function by tampering with the configuration file for the function. This could allow the attacker to disclose, tamper with, delete, or destroy information stored on the PC where the affected product is installed, or cause a denial-of-service (DoS) condition on the system, through the execution of the EXE.
Cleartext Storage of Sensitive Information vulnerability in Mitsubishi Electric GT Designer3 Version1 (GOT2000) all versions and Mitsubishi Electric GT Designer3 Version1 (GOT1000) all versions allows a local unauthenticated attacker to obtain plaintext credentials from the project file for GT Designer3. This could allow the attacker to operate illegally GOT2000 series or GOT1000 series by using the obtained credentials.
Cleartext Storage of Sensitive Information Vulnerability in GX Works2 all versions allows an attacker to disclose credential information stored in plaintext from project files. As a result, the attacker may be able to open project files protected by user authentication using disclosed credential information, and obtain or modify project information.
Uncontrolled Search Path Element Vulnerability in Setting and Operation Application for Lighting Control System MILCO.S Setting Application all versions, MILCO.S Setting Application (IR) all versions, MILCO.S Easy Setting Application (IR) all versions, and MILCO.S Easy Switch Application (IR) all versions allows a local attacker to execute malicious code by having installer to load a malicious DLL. However, if the signer name "Mitsubishi Electric Lighting" appears on the "Digital Signatures" tab of the properties for "MILCO.S Lighting Control.exe", the application is a fixed one. This vulnerability only affects when the installer is run, not after installation. If a user downloads directly from Mitsubishi Electric website and installs the affected product, there is no risk of malicious code being introduced.