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CVE-2026-58583

HIGHCVSS 8.4/10EPSS 0.10%

Last modified

CVE-2026-58583 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. 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. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.1/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS 4.0
8.4/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.10%

1.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
FluxInkColor Management Driver< 1.0.7.6

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-58583?
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.
How severe is CVE-2026-58583?
CVE-2026-58583 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.
How do I fix CVE-2026-58583?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST