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.

CVSS v3.1 NVD

6.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

EPSS

0.62% chance of exploitation in the next 30 days, 49th percentile

Published

2022-09-14

Updated

2025-06-04

Proof-of-concept exploits (4)

• https://web.archive.org/web/20211204031301/https://www.godeye.club/2021/05/20/001-disclos…
• https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-ant…
• https://www.vice.com/en/article/y3p35w/hackers-are-using-anti-cheat-in-genshin-impact-to-…
• gmh5225/CVE-2020-366033★ · 2022-12-29

Security advisories

• kagurazakasanae/Mhyprot2DrvControl
• kkent030315/evil-mhyprot-cli

References

• CVE Record
• NVD entry

Related

• CVE-2003-0358
• CVE-2015-2291
• CVE-2021-42205
• CVE-2022-24716
• CVE-2022-34683
• CVE-2022-35737