CVE-2026-9854

A vulnerability exists in SYS600 RBAC mechanism where users having access to the engineering tools could elevate their privileges to administrator level on the underlying Windows host, granting themselves full control over the host machine.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000249&LanguageCode=en&DocumentPartId=&Action=Launch	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:hitachienergy:microscada_x_sys600:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-09-03 13:06

Updated : 2026-09-09 19:46

NVD link : CVE-2026-9854

Mitre link : CVE-2026-9854

CVE.ORG link : CVE-2026-9854

JSON object : View

Products Affected

hitachienergy

microscada_x_sys600

CWE

CWE-303

Incorrect Implementation of Authentication Algorithm

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