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    CVE-2025-61155

    The GameDriverX64.sys kernel-mode anti-cheat driver (v7.23.4.7 and earlier) contains an access control vulnerability in one of its IOCTL handlers. A user-mode process can open a handle to the driver device and send specially crafted IOCTL requests. These requests are executed in kernel-mode context without proper authentication or access validation, allowing the attacker to terminate arbitrary processes, including critical system and security services, without requiring administrative privileges.

    Published:Oct 28, 2025
    Last Modified:Apr 15, 2026
    EPS:Oct 28, 2025
    EPSS Score:0.00009
    CVSS Score:5.5

    Affected Products

    Vendor
    Hotta Studio
    Product
    Gamedriverx64

    Exploits

    https://github.com/pollotherunner/CVE-2025-61155https://github.com/sf0rzin/CVE-2025-61155

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High