CVE-2026-58583

FluxInk Color Management Driver local privilege escalation

State: Published
Severity: 8.4 High
Published: Jul 7, 2026
Updated: Jul 21, 2026
Reserved: Jul 1, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	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	cisa-cg
3.1	7.1 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N	cisa-cg

Weaknesses

CWE-269 Improper Privilege Management

Affected Products

Product	Versions
Color Management DriverFluxInk	before 1.0.7.6Affected 1.0.7.6Not affected

References

urlthird-party-advisory
urlexploit
urlvdb-entry
urlthird-party-advisory

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