Local Privilege Escalation Vulnerability in FluxInk Color Management Driver by Lenovo
CVE-2026-58583

8.4HIGH

Key Information:

Vendor

Fluxink

Status
Color Management Driver
Vendor
CVE Published:
7 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-58583?

The FluxInk Color Management Driver (TcnPeripheral64.sys) version 1.0.7.2 contains a security flaw that allows a standard user account to escalate privileges by mapping arbitrary physical memory. This vulnerability poses a significant risk, enabling unauthorized users to gain elevated access and potentially compromise system security. A fix has been implemented in version 1.0.7.6, which is available in the Windows 11 25H2 Hardware Lab Kit. Users are encouraged to update through Windows Update or get the fixed driver directly from Lenovo.

Affected Version(s)

Color Management Driver 0 < 1.0.7.6

Color Management Driver 1.0.7.6

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-58583 - Proof of Concept

References

https://github.com/b3s3da/TcnPeripheral64_PoC/security/ad...
third-party-advisory
https://github.com/b3s3da/TcnPeripheral64_PoC
exploit
https://www.cve.org/CVERecord?id=CVE-2026-58583
vdb-entry

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Julian Horoszkiewicz, Atos Threat Research Center
.