Unrated severityNVD Advisory· Published Jul 7, 2026· Updated Jul 21, 2026
FluxInk Color Management Driver local privilege escalation
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.
Affected products
1- Range: <=1.0.7.2
Patches
Vulnerability mechanics
References
3- github.com/b3s3da/TcnPeripheral64_PoC/security/advisories/GHSA-x4rw-h4v2-v83hmitrethird-party-advisory
- raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-188-01.jsonmitrethird-party-advisory
- www.cve.org/CVERecordmitrevdb-entry
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