CVE-2026-9854

high

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.

References

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

Details

Source: Mitre, NVD

Published: 2026-09-03

Updated: 2026-09-09

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.5

Vector: 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

Severity: High

EPSS

EPSS: 0.00122