CVE-2026-109520: Colorful iGameCenter Dispatch AMDRyzenMasterDriver.sys MmMapIoSpace privilege defined with unsafe actions
A flaw has been found in Colorful iGameCenter 2.0.0.82. Affected by this vulnerability is the function MmMapIoSpace in the library AMDRyzenMasterDriver.sys of the component Dispatch Handler. This manipulation of the argument SystemBuffer causes privilege defined with unsafe actions. The attack needs to be launched locally. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker must be able to run code locally and have low-level privileges on the affected system. The provided data does not indicate that remote exploitation is possible.
Which component should defenders check?
The affected component is the Dispatch Handler's AMDRyzenMasterDriver.sys library, specifically its use of MmMapIoSpace. The reported affected Colorful iGameCenter version is 2.0.0.82.
Is a vendor fix available?
The available information does not identify a patch or workaround. It states that the vendor was contacted but did not respond.