Improper access control in Tower of Fantasy Gamedriverx64.sys - CVE-2025-61155

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Main Vulnerability Database Vulnerabilities #VU134949

Improper access control in Tower of Fantasy Gamedriverx64.sys - CVE-2025-61155

Published: June 19, 2026


Vulnerability identifier: #VU134949
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2025-61155
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Perfect World Games
Affected software:
Tower of Fantasy Gamedriverx64.sys

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper access restrictions in one of IOCTL handlers. A local user can execute arbitrary code with elevated privileges. 


How to mitigate CVE-2025-61155

Install updates from vendor's website.

Sources