CVE-2026-109520 (GCVE-0-2026-109520)
Vulnerability from cvelistv5
Published
2026-10-13 14:00
Modified
2026-10-15 15:12
Severity ?
9.3 (Critical) - 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
8.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/RC:R
8.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/RC:R
CWE
  • CWE-267 - Privilege Defined With Unsafe Actions
  • CWE-266 - Incorrect Privilege Assignment
Summary
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.
References
https://vuldb.com/vuln/417176 vdb-entry, technical-description
https://vuldb.com/vuln/417176/cti signature, permissions-required
https://vuldb.com/cve/CVE-2026-109520 third-party-advisory
https://vuldb.com/submit/984282 third-party-advisory
Impacted products
Vendor Product Version
Colorful iGameCenter Version: 2.0.0.82
    cpe:2.3:a:colorful:igamecenter:*:*:*:*:*:*:*:*
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