Privilege escalation in Fluxink Color Management Driver
CVE-2026-58583
FluxInk (formerly Sunia SPB Peripheral) Color Management Driver (TcnPeripheral64.sys) 1.0.7.2 allows local privilege escalation for a standard user account via arbitrary physical memory mapping at \Device\PhysicalMemory. Fixed in version 1.0.7.6. The fixed driver is currently available in the Windows 11 25H2 HLK (Hardware Lab Kit). The fixed driver may be available through Windows Update or from Lenovo directly.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.001 (3.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Fluxink Color Management Driver — versions 0, 1.0.7.6
Weakness classification (CWE)
References
- 9119a7d8-5eab-497f-8521-727c672e3725 (third-party-advisory)
- 9119a7d8-5eab-497f-8521-727c672e3725 (exploit)
- 9119a7d8-5eab-497f-8521-727c672e3725 (vdb-entry)
- 9119a7d8-5eab-497f-8521-727c672e3725 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-58583?
- CVE-2026-58583 is a high-severity vulnerability in Fluxink Color Management Driver, classified under Improper Privilege Management. CVSS score: 7.1/10. Published 2026-07-07.
- How severe is CVE-2026-58583?
- High severity. CVSS v3 base score is 7.1 out of 10.