CVE-2026-109520

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

Published Oct 13, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Colorful iGameCenter Dispatch AMDRyzenMasterDriver.sys MmMapIoSpace privilege defined with unsafe actions
First Time appeared Colorful
Colorful igamecenter
Weaknesses CWE-266
CWE-267
CPEs cpe:2.3:a:colorful:igamecenter:*:*:*:*:*:*:*:*
Vendors & Products Colorful
Colorful igamecenter
References
Metrics cvssV2_0

{'score': 6.8, 'vector': 'AV:L/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': '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'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Oct 15, 2026, 3:12 PM
Reserved
Oct 12, 2026, 6:53 PM
Status
Deferred
Published
Oct 13, 2026, 2:17 PM
Modified
Oct 15, 2026, 4:17 PM