{"id":"CVE-2025-61155","aliases":["EUVD-2025-36537","GHSA-9qfv-m6w2-fhch"],"status":"published","title":"Hotta Studio GameDriverX64.sys 7.23.4.7, a signed kernel-mode anti-cheat driver, allows local...","description":"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.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00279,"percentile":0.20583,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-400"],"published":"2025-10-28T00:00:00Z","modified":"2026-06-17T09:50:23Z","exploits":[{"source":"pocgithub","id":"pollotherunner/CVE-2025-61155","title":"pollotherunner/CVE-2025-61155","date":"2025-10-24","url":"https://github.com/pollotherunner/CVE-2025-61155"},{"source":"pocgithub","id":"sf0rzin/CVE-2025-61155","title":"sf0rzin/CVE-2025-61155","date":"2026-06-25","url":"https://github.com/sf0rzin/CVE-2025-61155"}],"references":[{"url":"https://github.com/pollotherunner/CVE-2025-61155/blob/main/advisory.md"},{"url":"https://www.hotta.com.tw"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-61155"},{"url":"http://gamedriverx64sys.com"},{"url":"http://hotta.com"},{"url":"https://github.com/advisories/GHSA-9qfv-m6w2-fhch"}],"sources":{"cve":[{"id":"CVE-2025-61155","description":"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.","status":"published","published":"2025-10-28T00:00:00Z","modified":"2025-12-09T17:10:26.279Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:32:45.105469Z"}],"euvd":[{"id":"EUVD-2025-36537","description":"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.","status":"published","published":"2025-10-28T00:00:00Z","modified":"2025-12-09T17:10:26Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T19:49:08.049254Z"}],"ghsa":[{"id":"GHSA-9qfv-m6w2-fhch","title":"Hotta Studio GameDriverX64.sys 7.23.4.7, a signed kernel-mode anti-cheat driver, allows local...","description":"Hotta Studio GameDriverX64.sys 7.23.4.7, a signed kernel-mode anti-cheat driver, allows local attackers to cause a denial of service by crashing arbitrary processes via sending crafted IOCTL requests.","status":"published","published":"2025-10-28T18:30:30Z","modified":"2025-12-04T18:31:41Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:05:03.172685Z"}],"nvd":[{"id":"CVE-2025-61155","description":"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.","status":"published","published":"2025-10-28T16:15:39.397Z","modified":"2026-06-17T09:50:23.937Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:11:40.754193Z"}]}}