Skip to content
major vulnerability· requires attention

Privilege escalation in PowerSYSTEM Center (OT management) lets low-privileged authenticated users gain admin rights and control critical power/industrial systems; high disruption potential to energy/utility operations.

OT/ICS

CVE-2026-63017

9.4
Critical
EPSS n/a

Auth bypass in PowerSYSTEM Center allows low-privileged users to gain admin access

exploited
No known exploitation not in CISA KEV as of our last sync
fix
Fixed in Update 30, PowerSYSTEM Center 2026 Update 1.1, Update 1.1
likelihood
No EPSS score yet
Published 6 Nov 2026Analysed here 8 Nov 2026CVSS scored by the publisher (CNA)

do firstUpgrade to a fixed release: Update 30, PowerSYSTEM Center 2026 Update 1.1, Update 1.1.

common questions

Is CVE-2026-63017 being exploited?

Not confirmed. CVE-2026-63017 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.

How severe is CVE-2026-63017?

CVE-2026-63017 is rated Critical with a CVSS score of 9.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-63017?

Not known from our data. No patch reference has been recorded for CVE-2026-63017, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.

What does CVE-2026-63017 affect?

CVE-2026-63017 affects PowerSYSTEM Center (OT management software). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-63017?

Restrict access, apply vendor mitigations, monitor logs, deploy patch when released

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
PowerSYSTEM Center (OT management software)
impact

Authenticated low-privilege users can escalate to administrator, modify configurations, access sensitive OT controls, and potentially disrupt power/industrial operations.

action required

Immediate action required

affected versions
Subnet Solutions PowerSYSTEM Center 2020
  • affected<= 5.29.x
vendor says fixed inUpdate 30
Subnet Solutions PowerSYSTEM Center 2024
  • affected>= 6.0.x and <= 6.2.x
vendor says fixed inPowerSYSTEM Center 2026 Update 1.1
Subnet Solutions PowerSYSTEM Center 2026
  • affected>= 7.0.x and <= 7.1.x
vendor says fixed inUpdate 1.1

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

timeline

  1. 6 Nov 2026Published
  2. 6 Nov 2026CVE record last updated · same day later
  3. 8 Nov 2026Analysed by vulneraibility.com · 2 days later
how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
2 references in the CVE record: 2 links
  • Linkcisa.gov /news-events/ics-advisories/icsa-26-307-01
  • Linkgithub.com /cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-307-01.json

sources

  • CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
  • NVD: CVSS and CPE data
  • FIRST EPSS: exploit probability and percentile
  • Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.
get alerted

Track only the vulnerabilities that affect your infrastructure.

start for free

© 2026 vulneraibility.com, all rights reserved