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 installed by a user with administrative privileges.

• CWE-269

• https://github.com/kagurazakasanae/Mhyprot2DrvControlThird Party Advisory
• https://github.com/kkent030315/evil-mhyprot-cliThird Party Advisory
• https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.htmlExploit, Third Party Advisory
• https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.htmlExploit, Third Party Advisory
• https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victimsExploit, Press/Media Coverage, Third Party Advisory
• https://github.com/kagurazakasanae/Mhyprot2DrvControlThird Party Advisory
• https://github.com/kkent030315/evil-mhyprot-cliThird Party Advisory
• https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclosure-mhyprot.htmlExploit, Third Party Advisory
• https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.htmlExploit, Third Party Advisory
• https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-ransom-victimsExploit, Press/Media Coverage, Third Party Advisory

Published

Sep 14, 2022

Last Modified

Jun 17, 2026

Status

Modified

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