Vulnerability details
CVE-2026-109520
Colorful iGameCenter
Colorful iGameCenter Dispatch AMDRyzenMasterDriver.sys MmMapIoSpace privilege defined with unsafe actions
CVSS 4.0
9.3Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 8.8High | 3.0 | CVEProject cvelistV5 (CNA) (VulDB) | 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 |
| 6.8Medium | 2.0 | CVEProject cvelistV5 (CNA) (VulDB) | AV:L/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Colorful | iGameCenter | 2.0.0.82 | CVEProject cvelistV5 (CNA) |
References and advisories
4- https://vuldb.com/vuln/417176 vdb-entrytechnical-description
- https://vuldb.com/vuln/417176/cti signaturepermissions-required
- https://vuldb.com/cve/CVE-2026-109520 third-party-advisory
- https://vuldb.com/submit/984282 third-party-advisory
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Details
- Published
- 2026-10-13
- Last updated
- 2026-10-15
- State
- Published
- Assigner (CNA)
- VulDB
- Kolun priority
- 14 · Low
Exploit prediction (EPSS)
0.11%
Probability of exploitation in 30 days
1.3%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Total
Weaknesses (CWE)
- CWE-267Privilege Defined With Unsafe Actions
- CWE-266Incorrect Privilege Assignment