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CVE-2026-109520— Colorful iGameCenter Dispatch AMDRyzenMasterDriver.sys MmMapIoSpace privilege defined with unsafe actions

Quick assessment

Affected
Colorful iGameCenter
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Colorful iGameCenter 2.0.0.82 中发现了一个漏洞。受此漏洞影响的是组件 Dispatch Handler 中的库 AMDRyzenMasterDriver.sys 中的 MmMapIoSpace 函数。对参数 SystemBuffer 的这种操作会导致以不安全方式执行所定义的权限提升。该攻击需要在本地发起。厂商早在披露前已被联系，但并未作出任何回应。

CVSS 8.8 · High EPSS 0.15% · P4

Affected Version Matrix 1

VendorProduct Version RangeStatus
Colorful iGameCenter 2.0.0.82 affected
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I. Basic Information for CVE-2026-109520

Vulnerability Information
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Vulnerability Title
Colorful iGameCenter Dispatch AMDRyzenMasterDriver.sys MmMapIoSpace privilege defined with unsafe actions
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权定义了不安全动作
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Colorful iGameCenter 2.0.0.82 cpe:2.3:a:colorful:igamecenter:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-109520

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III. Intelligence Information for CVE-2026-109520

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IV. Related Vulnerabilities

Same product: iGameCenter
Same vendor: Colorful
Same weakness: CWE-267

V. Comments for CVE-2026-109520

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