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Industrial control advisoryKnown exploitedSeverity 9.1 criticalExploit likelihood 100%
Mitsubishi Electric GENESIS, GENESIS64, ICONICS Suite, Hyper Historian, AnalytiX, MobileHMI, IoTWorX, MC Works64, GENESIS32 and BizViz
ICSA-26-300-02 · CISA · October 15, 2026
Summary
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code (CVE-2023-4863), bypass authentication (CVE-2026-16436 and CVE-2026-16437), or perform arbitrary operations (CVE-2026-16438), resulting in information disclosure, tampering with, destruction, or deletion of information, and a denial-of-service (DoS) condition of the system.
From CISA, quoted as published. Check the source before acting.
What to do
Mitsubishi Electric is releasing fixed version 10.97.3 or later for GENESIS64 and ICONICS Suite. Please download the fixed version from the link below and install it: "https://iconicsinc.my.site.com/community/s/resource-center/product-downloads". (Note: GENESIS64 is included in the ICONICS Suite installation.) For more information on the fixed version, please refer to the Mitsubishi Electric security advisory at "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-006_en.pdf".
Mitsubishi Electric Iconics Digital Solutions is releasing fixed version 10.97.3 or later for GENESIS64 and ICONICS Suite. Please download the fixed version from the link below and install it: "https://iconicsinc.my.site.com/community/s/resource-center/product-downloads". Note: GENESIS64 is included in the ICONICS Suite installation. For more information on the fixed version, please refer to the Mitsubishi Electric Iconics Digital Solutions whitepaper on security vulnerabilities, which can be found at "https://iconics.com/about/security/cert".
For customers using the affected product who cannot immediately update it, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend configuring the PCs with the affected product installed so that only an administrator can log in, to minimize the risk of exploitation of this vulnerability.
For customers using the affected product who cannot immediately update it, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend using the PCs with the affected product installed in the LAN and blocking remote login from untrusted networks and hosts, and from non-administrator users, to minimize the risk of exploitation of this vulnerability.
For customers using the affected product who cannot immediately update it, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend blocking unauthorized access by using a firewall, virtual private network (VPN), etc. and allowing remote login only to administrator when internet access is required, to minimize the risk of exploitation of this vulnerability.
For customers using the affected product who cannot immediately update it, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend restricting physical access to the PC with the affected product installed and the network to which the PC is connected, to minimize the risk of exploitation of this vulnerability.
For customers using the affected product who cannot immediately update it, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend preventing the user from clicking on web links in emails from untrusted sources, or from opening attachments in untrusted emails, to minimize the risk of exploitation of this vulnerability.
For customers using the affected product who cannot immediately update it, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend installing anti-virus software on the PC with the affected product installed, to minimize the risk of exploitation of this vulnerability.
Mitsubishi Electric is releasing fixed version 11.04 or later for GENESIS. Please download the fixed version from the link below and install it: "https://iconicsinc.my.site.com/community/s/resource-center/product-downloads". For more information on the fixed version, please refer to the Mitsubishi Electric security advisory at "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-006_en.pdf".
Mitsubishi Electric Iconics Digital Solutions is releasing fixed version 11.04 or later for GENESIS. Please download the fixed version from the link below and install it: "https://iconicsinc.my.site.com/community/s/resource-center/product-downloads". For more information on the fixed version, please refer to the Mitsubishi Electric Iconics Digital Solutions whitepaper on security vulnerabilities, which can be found at "https://iconics.com/about/security/cert".
Mitsubishi Electric is releasing fixed version 10.98 or later for GENESIS64, ICONICS Suite, Hyper Historian, AnalytiX, and MobileHMI. Please download the fixed version from the link below and install it: "https://iconicsinc.my.site.com/community/s/resource-center/product-downloads". (Note: GENESIS64, Hyper Historian, AnalytiX, and MobileHMI are included in the ICONICS Suite installation.) For more information on the fixed version, please refer to the Mitsubishi Electric security advisory at "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-006_en.pdf".
Mitsubishi Electric Iconics Digital Solutions is releasing fixed version 10.98 or later for GENESIS64, ICONICS Suite, Hyper Historian, AnalytiX, and MobileHMI. Please download the fixed version from the link below and install it: "https://iconicsinc.my.site.com/community/s/resource-center/product-downloads". (Note: GENESIS64, Hyper Historian, AnalytiX, and MobileHMI are included in the ICONICS Suite installation.) For more information on the fixed version, please refer to the Mitsubishi Electric Iconics Digital Solutions whitepaper on security vulnerabilities, which can be found at "https://iconics.com/about/security/cert".
Mitsubishi Electric is releasing fixed version 10.98 or later for IoTWorX. Please download the fixed version from the link below and install it: "https://hub.docker.com/r/iconics/iotworx". For more information on the fixed version, please refer to the Mitsubishi Electric security advisory at "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-006_en.pdf".
Mitsubishi Electric Iconics Digital Solutions is releasing fixed version 10.98 or later for IoTWorX. Please download the fixed version from the link below and install it: "https://hub.docker.com/r/iconics/iotworx". For more information on the fixed version, please refer to the Mitsubishi Electric Iconics Digital Solutions whitepaper on security vulnerabilities, which can be found at "https://iconics.com/about/security/cert".
Mitsubishi Electric has no plans to release a fixed version of MC Works64. For customers using MC Works64, Mitsubishi Electric recommends taking the mitigations described in the Mitsubishi Electric's security advisory at "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-006_en.pdf". Alternatively, customers should consider replacing MC Works64 with GENESIS64 or GENESIS. For information on how to replace it, please refer to the following document: "GENESIS64 ? How to Replace MC Works64 with GENESIS64" (Japanese only): "https://www.mitsubishielectric.co.jp/dl/fa/members/document/manual/scada/bcn-p5999-1459/bcnp59991459a.pdf". Note: This document is published on Mitsubishi Electric FA website, and membership registration and login are required to view it.
Mitsubishi Electric has no plans to release fixed versions for GENESIS32 or BizViz. For customers using GENESIS32 or BizViz, Mitsubishi Electric recommends taking the mitigations described in the Mitsubishi Electric's security advisory at "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-006_en.pdf". Alternatively, customers should consider replacing GENESIS32 or BizViz with GENESIS64 or GENESIS.
Mitsubishi Electric Iconics Digital Solutions has no plans to release fixed versions for GENESIS32 or BizViz. For customers using GENESIS32 or BizViz, Mitsubishi Electric Iconics Digital Solutions recommends taking the mitigations described in the Mitsubishi Electric Iconics Digital Solutions' whitepaper which can be found at "https://iconics.com/about/security/cert". Alternatively, customers should consider replacing GENESIS32 or BizViz with GENESIS64 or GENESIS.
For customers of products that do not have a fixed version or who cannot immediately update the product, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend configuring the PCs with the affected product installed so that only an administrator can log in, to minimize the risk of exploitation of this vulnerability.
For customers of products that do not have a fixed version or who cannot immediately update the product, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend using the PCs with the affected product installed in the LAN and blocking remote login from untrusted networks and hosts, and from non-administrator users, to minimize the risk of exploitation of this vulnerability.
For customers of products that do not have a fixed version or who cannot immediately update the product, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend blocking unauthorized access by using a firewall, virtual private network (VPN), etc. and allowing remote login only to administrator when internet access is required, to minimize the risk of exploitation of this vulnerability.
For customers of products that do not have a fixed version or who cannot immediately update the product, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend restricting physical access to the PC with the affected product installed and the network to which the PC is connected, to minimize the risk of exploitation of this vulnerability.
For customers of products that do not have a fixed version or who cannot immediately update the product, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend preventing the user from clicking on web links in emails from untrusted sources, or from opening attachments in untrusted emails, to minimize the risk of exploitation of this vulnerability.
For customers of products that do not have a fixed version or who cannot immediately update the product, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend installing anti-virus software on the PC with the affected product installed, to minimize the risk of exploitation of this vulnerability.
For customers of products that do not have a fixed version or who cannot immediately update the product, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend performing the following steps for GENESIS, GENESIS64, ICONICS Suite, Hyper Historian, AnalytiX, MobileHMI and MC Works64, to minimize the risk of exploitation of this vulnerability. (1) Delete the .dat file at the location specified below. This file name and location is different depending on the product version. (Version 10: C:\Program Files\ICONICS\GENESIS64\Components\ClientChallengeTable.dat; Version 11: C:\ProgramData\ICONICS\11\SecurityChallenges.dat) (2) Create a blank file with the same name and location. (3) Restrict the file system write and delete access to this file to a unique administrator account, different than the GENESIS administrator account.
For customers of products that do not have a fixed version or who cannot immediately update the product, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend using the PCs with the affected product installed in the LAN and blocking access from untrusted networks and hosts through firewalls, to minimize the risk of exploitation of this vulnerability.
For customers of products that do not have a fixed version or who cannot immediately update the product, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend blocking unauthorized access by using a firewall, virtual private network (VPN), etc. when internet access is required, to minimize the risk of exploitation of this vulnerability.
For customers of products that do not have a fixed version or who cannot immediately update the product, Mitsubishi Electric and Mitsubishi Electric Iconics Digital Solutions recommend installing anti-virus software on the PC with the affected product installed, as well as on any PCs that can access it, to minimize the risk of exploitation of this vulnerability.
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2023-4863 | 8.2 high | Exploited | 100.0% |
| CVE-2026-16436 | 8.1 high | No | 0.4% |
| CVE-2026-16437 | 6.4 medium | No | 0.1% |
| CVE-2026-16438 | 9.1 critical | No | 0.3% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Affected products
| Vendor | Product |
|---|---|
| Mitsubishi Electric | Mitsubishi Electric GENESIS64 |
| Mitsubishi Electric | Mitsubishi Electric ICONICS Suite |
| Mitsubishi Electric | Mitsubishi Electric GENESIS |
| Mitsubishi Electric | Mitsubishi Electric Hyper Historian |
| Mitsubishi Electric | Mitsubishi Electric AnalytiX |
| Mitsubishi Electric | Mitsubishi Electric MobileHMI |
| Mitsubishi Electric | Mitsubishi Electric IoTWorX |
| Mitsubishi Electric | Mitsubishi Electric MC Works64 |
| Mitsubishi Electric | Mitsubishi Electric GENESIS32 |
| Mitsubishi Electric | Mitsubishi Electric BizViz |
| Mitsubishi Electric Iconics Digital Solutions | Mitsubishi Electric Iconics Digital Solutions GENESIS64 |
| Mitsubishi Electric Iconics Digital Solutions | Mitsubishi Electric Iconics Digital Solutions ICONICS Suite |
| Mitsubishi Electric Iconics Digital Solutions | Mitsubishi Electric Iconics Digital Solutions GENESIS |
| Mitsubishi Electric Iconics Digital Solutions | Mitsubishi Electric Iconics Digital Solutions Hyper Historian |
| Mitsubishi Electric Iconics Digital Solutions | Mitsubishi Electric Iconics Digital Solutions AnalytiX |
| Mitsubishi Electric Iconics Digital Solutions | Mitsubishi Electric Iconics Digital Solutions MobileHMI |
| Mitsubishi Electric Iconics Digital Solutions | Mitsubishi Electric Iconics Digital Solutions IoTWorX |
| Mitsubishi Electric Iconics Digital Solutions | Mitsubishi Electric Iconics Digital Solutions GENESIS32 |
| Mitsubishi Electric Iconics Digital Solutions | Mitsubishi Electric Iconics Digital Solutions BizViz |
Why it's on these mode pages
- Maritime: Vendor table: Mitsubishi Electric (industrial control makers used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Mitsubishi Electric (industrial control makers used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Mitsubishi Electric (industrial control makers used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Mitsubishi Electric (industrial control makers used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Mitsubishi Electric (industrial control makers used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Mitsubishi Electric (industrial control makers used in every mode, all modes) (matched by rule)
Change history
- October 15, 2026: Initial Publication
- October 27, 2026: Initial CISA Republication of Mitsubishi Electric 2026-006 advisory
- November 9, 2026: First collected by Watch
Securidigm Scout can match advisories like this one to the equipment on your own network, offline. securidigm.com