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CVE PROGRAM SOURCE RECORD8.4 High

CVE-2026-58583

FluxInk Color Management Driver local privilege escalation

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

FluxInk Color Management Driver

Default version status: unknown

  • 0 to < 1.0.7.6affected
  • 1.0.7.6unaffected

References