PT-2026-56256 · Fluxink · Color Management Driver

B3S3Da · Published 2026-07-07 · Updated 2026-07-07 · CVE-2026-58583

NVD

CVSS v3.1

7.1

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

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 DevicePhysicalMemory. 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.

Exploit

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2026-58583

Affected Products

Color Management Driver

References · 5

• 🔥 https://github.com/b3s3da/TcnPeripheral64_PoC · Exploit
• 🔥 https://github.com/b3s3da/TcnPeripheral64_PoC/security/advisories/GHSA-x4rw-h4v2-v83h · Exploit
• https://cve.org/CVERecord?id=CVE-2026-58583 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-58583 · Security Note
• https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-188-01.json · Note