CVE-2026-109520

HIGH 8.8

Colorful iGameCenter Dispatch AMDRyzenMasterDriver.sys MmMapIoSpace privilege defined with unsafe actions

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-267 CWE-266
Vendor	colorful
Product	igamecenter
Published	Oct 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Colorful / iGameCenter

2.0.0.82

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/417176 vuldb.com: https://vuldb.com/vuln/417176/cti vuldb.com: https://vuldb.com/cve/CVE-2026-109520 vuldb.com: https://vuldb.com/submit/984282

Credits

🔍 Element2023H (VulDB User) VulDB CNA Team