CVE-2026-109520 Colorful iGameCenter Dispatch AMDRyzenMasterDriver.sys MmMapIoSpace privilege defined with unsafe actions
Local attackers can exploit unsafe memory mapping in the AMDRyzenMasterDriver to escalate privileges within Colorful iGameCenter.
- 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-2026-109520?
CVE-2026-109520 is a critical vulnerability in Colorful iGameCenter, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-109520?
How do I fix CVE-2026-109520?
No fix has been published for CVE-2026-109520 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-109520 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-109520 exists.
Sources
Also known as GHSA-9p4f-p59c-8r56.