Is CVE-2026-58583 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-58583?

CVE-2026-58583 has a CVSS v3 severity of HIGH (7.1).

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CVE-2026-58583

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.