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TI-2026-71699 Aliases CVE-2026-109520GHSA-9p4f-p59c-8r56

Privilege defined with unsafe actions in Colorful iGameCenter driver

Priority HIGH 75CWE-266Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

Colorful iGameCenter from 2.0.0.82 is affected by a flaw in the Dispatch Handler of the AMDRyzenMasterDriver.sys driver. Manipulation of the SystemBuffer argument in the MmMapIoSpace function leads to privilege defined with unsafe actions (CWE-267). A local attacker with low privileges can gain high impact on confidentiality, integrity and availability. The vendor did not respond to early disclosure contact.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00111 1st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ColorfuliGameCenter2.0.0.82—No fix listedCNA
  • iGameCenter VendorColorful Affected 2.0.0.82 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:colorful:igamecenter:*:*:*:*:*:*:*:*——Colorful
  • cpe:2.3:a:colorful:igamecenter:*:*:*:*:*:*:*:* Versions — — ·Colorful

Remediation

The sources list no fixed version for Colorful iGameCenter.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-109520
  2. 2026-10-13 Alias added: GHSA-9p4f-p59c-8r56
  3. 2026-10-14 Priority changed: MEDIUM → LOW
  4. 2026-10-16 CISA SSVC decision points changed
  5. 2026-10-16 Priority changed: LOW → HIGH

References

—

  • TI-2026-63420 ColorFul iGameCenter IOCTL ene.sys sub_140001AF0 untrusted pointer dereference CVSS 4.0CRITICAL 9.3
  • TI-2026-56967 Colorful iGameCenter IOCTL Dispatch WinRing0x64.sys sub_11504 privileges management CVSS 4.0CRITICAL 9.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences