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HIGH · 7.8

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 themse...

Vulnerability Description

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 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
HitachienergyMicroscada X Sys600>= 10.0, <= 10.7

Related Weaknesses (CWE)

CWE-303

References

FAQ

What is CVE-2026-9854?

CVE-2026-9854 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 themse...

How severe is CVE-2026-9854?

CVE-2026-9854 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9854?

Check the references section above for vendor advisories and patch information. Affected products include: Hitachienergy Microscada X Sys600.