Home / Items
Industrial control advisorySeverity 7.8 high
Hitachi Energy MicroSCADA X SYS600 Product
ICSA-26-293-04 · CISA · September 1, 2026
Summary
Hitachi Energy is aware of multiple vulnerabilities that affect MicroSCADA X SYS600 product versions listed in this document. These vulnerabilities can be exploited to carry out various attacks on the product. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation.
From CISA, quoted as published. Check the source before acting.
What to do
Update to version 10.8
Follow general mitigation factors/workarounds
Update to version 10.8 and Follow mitigation strategy. Refer to MicroSCADA X SYS00 10.8 Installation and Administration Manual, Section 2.1.7.5 (Mitigation strategy is available for versions 10.3 onwards). Also refer to MicroSCADA X 10.8 Cybersecurity Deployment Guide
Follow mitigation strategy. Refer to MicroSCADA X SYS00 10.8 Installation and Administration Manual, Section 2.1.7.5 (Mitigation strategy is available for versions 10.3 onwards). Also refer to MicroSCADA X 10.8 Cybersecurity Deployment Guide
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2026-9852 | 5.0 medium | No | 0.2% |
| CVE-2026-9853 | 7.8 high | No | 0.1% |
| CVE-2026-9854 | 7.8 high | No | 0.1% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Affected products
| Vendor | Product |
|---|---|
| Hitachi Energy | MicroSCADA X SYS600 |
Why it's on these mode pages
- Maritime: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Hitachi Energy (industrial control makers used in every mode, all modes) (matched by rule)
Change history
- September 1, 2026: Initial public release
- September 29, 2026: Added researcher’s name under Acknowledgement
- October 20, 2026: Initial CISA Republication of Hitachi Energy PSIRT 8DBD000249 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