CVE-2026-9854
High8.5A 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
- 8.5v4.0
- EPSS (exploit probability)
- 0.1%3th pct
- CISA KEV
- Not listed
EPSS trendFIRST daily scores, last 90 days
Daily values
| Score date | EPSS | Percentile |
|---|---|---|
| 2026-10-20 | 0.1% | 3.4% |
| 2026-10-19 | 0.1% | 3.3% |
| 2026-10-18 | 0.1% | 3.3% |
| 2026-10-16 | 0.1% | 3.3% |
| 2026-10-15 | 0.1% | 3.3% |
| 2026-10-14 | 0.1% | 3.3% |
| 2026-10-13 | 0.1% | 3.3% |
| 2026-10-12 | 0.1% | 3.2% |
| 2026-10-11 | 0.1% | 3.2% |
| 2026-10-10 | 0.1% | 3.2% |
| 2026-10-09 | 0.1% | 3.2% |
| 2026-10-08 | 0.1% | 3.2% |
| 2026-10-07 | 0.1% | 3.2% |
| 2026-10-06 | 0.1% | 3.2% |
| 2026-10-05 | 0.1% | 3.2% |
| 2026-10-04 | 0.1% | 3.2% |
| 2026-10-03 | 0.1% | 3.2% |
| 2026-10-02 | 0.1% | 3.2% |
| 2026-10-01 | 0.1% | 3.1% |
| 2026-09-30 | 0.1% | 3.1% |
| 2026-09-29 | 0.1% | 3.1% |
| 2026-09-27 | 0.1% | 3.1% |
| 2026-09-26 | 0.1% | 3.1% |
| 2026-09-25 | 0.1% | 3.1% |
| 2026-09-24 | 0.1% | 3.0% |
| 2026-09-23 | 0.1% | 2.6% |
| 2026-09-22 | 0.1% | 2.6% |
| 2026-09-21 | 0.1% | 2.6% |
| 2026-09-20 | 0.1% | 2.6% |
| 2026-09-19 | 0.1% | 2.6% |
| 2026-09-18 | 0.1% | 2.6% |
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Affected products
- hitachienergy microscada x sys600