What is CVE-2026-63017?
Incorrect authorization in PowerSYSTEM Center allows a low-privileged, authenticated user to access resources normally limited to administrators.
The record classifies CVE-2026-63017 under weakness class CWE-863. Its CVSS v3 base vector states that the flaw is reachable from an adjacent network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 3 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 4 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9 — CRITICAL
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - CVSS v4.0 base score
- 9.4
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - EPSS (FIRST)
- 0.2% probability of exploitation in the next 30 days, higher than 18.6% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 5.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-11-06
Is CVE-2026-63017 being exploited?
It currently carries a trending score of 39 in the Threadlinqs vulnerability feed.
Affected products and versions
- Subnet Solutions: PowerSYSTEM Center 2020, PowerSYSTEM Center 2024, PowerSYSTEM Center 2026
How to fix CVE-2026-63017
No vendor patch reference has been recorded for CVE-2026-63017 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-63017
1 tracked threat in the Threadlinqs corpus references CVE-2026-63017, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. This product uses the NVD API but is not endorsed or certified by the NVD.