# CVE-2026-9853

## Summary

- **CVE ID:** CVE-2026-9853
- **Severity:** HIGH
- **CVSS Score:** 8.5 (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-303
- **Published:** Sep 3, 2026
- **Last Modified:** Sep 3, 2026

## Description

A vulnerability exists in SYS600 which allows any user authenticated to the operating system of the server hosting the application to read and modify application objects without being authenticated to the SYS600 system itself.

Only the SYS600 system users should be permitted to view and modify application objects.

## Affected Products

- Hitachi Energy — MicroSCADA SYS600 (10.0)

## References

- [CNA](https://publisher.hitachienergy.com/preview?DocumentID=8DBD000249&LanguageCode=en&DocumentPartId=&Action=Launch)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.12%
- **EPSS Percentile:** 2.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._