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CVE-2026-9853

A vulnerability exists in SYS600 which allows any user authenticated to the operating system of the server hosting the application to read and modify application objects without being authenticated to

Hitachi Energy MicroSCADA SYS600
Open in ThreatlineRecord JSON
CVSS
8.5High
ExploitationExploitation reported1 outlet report it, first 20 Oct 2026. Not yet in the KEV catalogReports
Exploit odds (EPSS)0.14%Chance of exploitation activity in the next 30 days, higher than 3% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published3 Sep 2026Updated 3 Sep 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

Timeline

  1. 3 Sep 2026, 07:53 UTCPublishedCVE List
  2. 20 Oct 2026, 12:00 UTCFirst reported exploitedCISA ICS advisories
  3. NowNot on CISA's known exploited list yet

Vendor and government advisories 1

Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.

Reports 1

One outlet reports exploitation. Reports are not confirmation; each links to its source.

Description

A vulnerability exists in SYS600 which allows any user authenticated to the operating system of the server hosting the application to read and modify application objects without being authenticated to the SYS600 system itself.

Only the SYS600 system users should be permitted to view and modify application objects.

Text from CVE List

Affected versions 1

  • MicroSCADA SYS600affected: 10.0 through 10.8CVE List

References 1