CVE-2026-58583 FluxInk Color Management Driver local privilege escalation
A local attacker can escalate privileges to SYSTEM via arbitrary physical memory mapping in the FluxInk Color Management Driver.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-58583?
CVE-2026-58583 is a high-severity vulnerability in FluxInk Color Management Driver, published on 7 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-269
Which versions are affected by CVE-2026-58583?
How do I fix CVE-2026-58583?
No fix has been published for CVE-2026-58583 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-58583 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-58583 exists.
Sources
Also known as GHSA-g73c-jxmq-7fh5.