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CVE-2026-82628— Colorful iGameCenter IOCTL Dispatch WinRing0x64.sys sub_11504 privileges management

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.

Colorful iGameCenter是Colorful公司的一款游戏中心软件。 Colorful iGameCenter 2.0.0.81版本存在权限许可和访问控制问题漏洞，该漏洞源于WinRing0x64.sys库的IOCTL Dispatch组件中函数sub_11504对参数PhysicalAddress/AlignNumer/AlignSize的操作不当，导致权限管理不当。

CVSS 8.8 · High EPSS 0.16% · P5

Affected Version Matrix 1

VendorProduct Version RangeStatus
Colorful iGameCenter 2.0.0.81 affected
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I. Basic Information for CVE-2026-82628

Vulnerability Information
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Vulnerability Title
Colorful iGameCenter IOCTL Dispatch WinRing0x64.sys sub_11504 privileges management
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Colorful iGameCenter 2.0.0.81. This vulnerability affects the function sub_11504 in the library WinRing0x64.sys of the component IOCTL Dispatch. Performing a manipulation of the argument PhysicalAddress/AlignNumer/AlignSize results in improper privilege management. Attacking locally is a requirement.
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
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Colorful iGameCenter 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Colorful iGameCenter是Colorful公司的一款游戏中心软件。 Colorful iGameCenter 2.0.0.81版本存在权限许可和访问控制问题漏洞，该漏洞源于WinRing0x64.sys库的IOCTL Dispatch组件中函数sub_11504对参数PhysicalAddress/AlignNumer/AlignSize的操作不当，导致权限管理不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Colorful iGameCenter 2.0.0.81 cpe:2.3:a:colorful:igamecenter:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82628

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-82628

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Vendor Advisories for CVE-2026-82628 (1)

Other References for CVE-2026-82628 (2)

IV. Related Vulnerabilities

Same product: iGameCenter
Same vendor: Colorful
Same weakness: CWE-269

V. Comments for CVE-2026-82628

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