{"id":"CVE-2026-9854","title":"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.","summary":"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.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-303"],"vendor":"hitachienergy","product":"microscada_x_sys600","affected":["microscada_x_sys600 >= 10.0, <= 10.7"],"published":"2026-09-03","updated":"2026-09-09","sourceUpdated":"2026-09-09T19:46:52.150","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-9854","references":[{"url":"https://publisher.hitachienergy.com/preview?DocumentID=8DBD000249&LanguageCode=en&DocumentPartId=&Action=Launch","label":"cybersecurity@hitachienergy.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-03T12:48:27.499967Z"},"scores":{"nvd":7.8,"cna":8.5},"ingestedAt":"2026-09-14T08:58:10.191Z","epss":0.00125,"epssPercentile":0.02585,"slug":"CVE-2026-9854","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `microscada_x_sys600 >= 10.0, <= 10.7`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}