CVE-2026-109520CWE-266CWE-267

CVE-2026-109520

High · published October 13, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
3.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.3 · 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
EPSS
0.00151 · 3.9th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-267 · Privilege Defined With Unsafe Actions
Published
2026-10-13T18:17Z
References (4)
https://vuldb.com/cve/CVE-2026-109520 · [email protected]https://vuldb.com/submit/984282 · [email protected]https://vuldb.com/vuln/417176 · [email protected]https://vuldb.com/vuln/417176/cti · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 13 OCT 14:00Z
    Colorful iGameCenter Dispatch AMDRyzenMasterDriver.sys MmMapIoSpace privilege defined with unsafe actions
    cvelistv5
  • 13 OCT 14:00Z
    Colorful iGameCenter Dispatch AMDRyzenMasterDriver.sys MmMapIoSpace privilege defined with unsafe actions
    cvelistv5