CVE-2026-9854: CWE-303 Incorrect implementation of authentication algorithm in Hitachi Energy MicroSCADA SYS600
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.
CVE-2026-9854: CWE-303 Incorrect implementation of authentication algorithm in Hitachi Energy MicroSCADA SYS600
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 v4.0
Score 8.5high
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Hitachi Energy
- Date Reserved
- 2026-05-28T15:04:57.817Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a992adaacd9273b49a53d8c
Added to database: 09/03/2026, 08:07:54 UTC
Last updated: 09/03/2026, 22:52:15 UTC
Views: 11
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