SB20260619115 - Privilege escalation in Tower of Fantasy Gamedriverx64.sys



SB20260619115 - Privilege escalation in Tower of Fantasy Gamedriverx64.sys

Published: June 19, 2026

Security Bulletin ID SB20260619115
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper access control (CVE-ID: CVE-2025-61155)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: 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


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. 


Remediation

Install update from vendor's website.