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...

RX-INT: a Kernel Engine for Real-Time Detection and Analysis of In-Memory Threats

Malware and cheat developers use fileless execution techniques to evade traditional, signature-based security products. These methods include various types of manual mapping, module stomping, and threadless injection which work entirely within the address space of a legitimate process, presenting...

June 11, 2025—KB5063060 (OS Build 26100.4351) Out-of-band

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CVE-2024-22830

Anti-Cheat Expert's Windows kernel module "ACE-BASE.sys" version 1.0.2202.6217 does not perform proper access control when handling system resources. This allows a local attacker to escalate privileges from regular user to System or PPL level...

CVE-2024-22830

Anti-Cheat Expert's Windows kernel module "ACE-BASE.sys" version 1.0.2202.6217 does not perform proper access control when handling system resources. This allows a local attacker to escalate privileges from regular user to System or PPL level...

CVE-2024-22830

CVE-2024-22830 pertains to Anti-Cheat Expert’s Windows kernel module ACE-BASE.sys (version 1.0.2202.6217). The issue is improper access control when handling system resources, enabling a local attacker to escalate privileges from a regular user to System or PPL level. Documented across multiple s...

Anti-Cheat Expert 安全漏洞

Anti-Cheat Expert is a professional handheld security solution from Anti-Cheat Expert. A security vulnerability exists in Anti-Cheat Expert version 1.0.2202.6217, which stems from a failure to enforce proper access control when handling system resources, allowing a local attacker to escalate...

Riot Games refuses to pay ransom to avoid League of Legends leak

After confirming threat actors were able to steal some of its code, Riot Games has also revealed that it received a ransom email from its attacker. The attackers demanding $10 million to stop them leaking source code from League of Legend's and other games. Riot's reply? Today, we received a rans...

CVE-2020-36603

The HoYoVerse formerly miHoYo Genshin Impact mhyprot2.sys 1.0.0.0 anti-cheat driver does not adequately restrict unprivileged function calls, allowing local, unprivileged users to execute arbitrary code with SYSTEM privileges on Microsoft Windows systems. The mhyprot2.sys driver must first be...

CVE-2020-36603

The HoYoVerse formerly miHoYo Genshin Impact mhyprot2.sys 1.0.0.0 anti-cheat driver does not adequately restrict unprivileged function calls, allowing local, unprivileged users to execute arbitrary code with SYSTEM privileges on Microsoft Windows systems. The mhyprot2.sys driver must first be...

Code injection

The HoYoVerse formerly miHoYo Genshin Impact mhyprot2.sys 1.0.0.0 anti-cheat driver does not adequately restrict unprivileged function calls, allowing local, unprivileged users to execute arbitrary code with SYSTEM privileges on Microsoft Windows systems. The mhyprot2.sys driver must first be...

CVE-2020-36603

Affected software: HoYoVerse (miHoYo) Genshin Impact mhyprot2.sys (driver) version 1.0.0.0. Issue: the anti-cheat driver does not adequately restrict unprivileged function calls, enabling local, unprivileged users to execute arbitrary code with SYSTEM privileges on Windows. Prerequisite: the driv...

CVE-2020-36603

The HoYoVerse formerly miHoYo Genshin Impact mhyprot2.sys 1.0.0.0 anti-cheat driver does not adequately restrict unprivileged function calls, allowing local, unprivileged users to execute arbitrary code with SYSTEM privileges on Microsoft Windows systems. The mhyprot2.sys driver must first be...

Ransomware Attackers Abuse Genshin Impact Anti-Cheat System to Disable Antivirus

A vulnerable anti-cheat driver for the Genshin Impact video game has been leveraged by a cybercrime actor to disable antivirus programs to facilitate the deployment of ransomware, according to findings from Trend Micro. The ransomware infection, which was triggered in the last week of July 2022,...

Call of Duty cheats can expect embarrassment with new anti-cheat feature

In-game cheats are about to have an even harder time of things in triple AAA titles such as Call of Duty. Activision’s “Ricochet” software - a kernel level driver anti-cheat system - has added another twist to the tale of how players are protected via a new system called “Cloaking”. Making all ne...

Epic Games Easy Anti-Cheat 4.0 - Local Privilege Escalation

Exploit Title: Epic Games Easy Anti-Cheat 4.0 - Local Privilege Escalation Date: 04.05.2021 Exploit Author: LiquidWorm Vendor Homepage: https://www.epicgames.com https://www.easy.ac Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation Vendor: Epic Games, Inc. Product web page:...

Epic Games Easy Anti-Cheat 4.0 - Local Privilege Escalation Vulnerability

Exploit Title: Epic Games Easy Anti-Cheat 4.0 - Local Privilege Escalation Date: 04.05.2021 Exploit Author: LiquidWorm Vendor Homepage: https://www.epicgames.com https://www.easy.ac Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation Vendor: Epic Games, Inc. Product web page:...

Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation

Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation Vendor: Epic Games, Inc. Product web page: https://www.epicgames.com https://www.easy.ac Affected version: 4.0.0.0 Summary: Easy Anti-Cheat is the industry-leading anti–cheat service, countering hacking and cheating in multiplayer PC games...

Epic Games Easy Anti-Cheat 4.0 Local Privilege Escalation

Summary Easy Anti-Cheat is the industry-leading anti–cheat service, countering hacking and cheating in multiplayer PC games through the use of hybrid anti–cheat mechanisms. Description The application suffers from an unquoted search path issue impacting the service 'EasyAntiCheat' for Windows...

AntiCheat-Testing-Framework - Framework To Test Any Anti-Cheat

Framework to test any Anti-Cheat on the market. This can be used as Template or Code Base to test any Anti-Cheat and learn along the way. The entry level to reverse AntiCheats and Cheats is quite high, therefore, I'm realeasing all the code I developed during my research. The main idea is to help...