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

Critical 9.3 Published Updated

Local attackers can exploit improper privilege management in the WinRing0x64.sys driver to escalate privileges via manipulated IOCTL arguments.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-82628?

CVE-2026-82628 is a critical vulnerability in Colorful iGameCenter, published on 31 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-269, CWE-266

Which versions are affected by CVE-2026-82628?

How do I fix CVE-2026-82628?

No fix has been published for CVE-2026-82628 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-82628 being exploited?

There is no known exploitation of CVE-2026-82628 in the wild and no public exploit code.

Sources

Also known as GHSA-5w93-583h-65fh.

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