CVE-2026-58583
FluxInk Color Management Driver local privilege escalation
HIGH 8.4EPSS 0.1%
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.
- Affected
- FluxInk · Color Management Driver
- CVSS v4.0 CNA
- 8.4 HIGH
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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 - CVSS v3.1 CNA
- 7.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - EPSS
- 0.14% chance of exploitation in the next 30 days, 3rd percentile
- Published
- 2026-07-07
- Updated
- 2026-07-21
Proof-of-concept exploits (1)
- b3s3da/TcnPeripheral64_PoC10★ · 2026-07-09