CVE-2026-63017Subnet Solutions PowerSYSTEM Center Incorrect Authorization
- 9.4CriticalCVSS base score
- 0.27%Exploitation in 30 daysEPSS · top 81% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Incorrect authorization in PowerSYSTEM Center allows a low-privileged, authenticated user to access resources normally limited to administrators.
Timeline
ID reserved
By icscert
- 3 months later
· 3 months later
Published
- 4 days later
· 4 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| icscertCNA (assigner) | 4.0 | Critical9.4 | 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 |
| icscertCNA (assigner) | 3.1 | Critical9.0 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Awaiting Analysis | 4.0 | Critical9.4 | 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/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 |
- EPSS (exploitation in 30 days)
- 0.27% · top 81% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.4.
Affected products
Subnet Solutions · PowerSYSTEM Center 2020
- affected ≤ 5.29.x
- unaffected Update 30
Subnet Solutions · PowerSYSTEM Center 2024
- affected 6.0.x – ≤ 6.2.x
- unaffected PowerSYSTEM Center 2026 Update 1.1
Subnet Solutions · PowerSYSTEM Center 2026
- affected 7.0.x – ≤ 7.1.x
- unaffected Update 1.1
What to do
Solution: For users who are currently using PowerSYSTEM Center 2024, Subnet Solutions recommends users upgrade to PowerSYSTEM Center 2026 Update 1.1. For assistance in upgrading, users should contact the Subnet Solutions System Integration team or customer support team at (403) 270-8885 or by email at [email protected].
Solution: Subnet Solutions recommends users update to PowerSYSTEM Center 2020 Update 30. For assistance in upgrading, users should contact the Subnet Solutions System Integration team or customer support team at (403) 270-8885 or by email at [email protected].
Solution: Subnet Solutions recommends users update to PowerSYSTEM Center 2026 Update 1.1. For assistance in upgrading, users should contact the Subnet Solutions System Integration team or customer support team at (403) 270-8885 or by email at [email protected].
Workaround: If unable to update to the latest version, Subnet Solutions recommends users monitor user activity records to ensure users are following acceptable usage policies of the application. Subnet Solutions also recommends disabling PowerSYSTEM Center Client Access Server users' ability to access the browser's F12 Developer Tools.
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-117880 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-63017)Record last updated .