{"id":"CVE-2026-122113","aliases":["EUVD-2026-118417","GHSA-243x-4g43-9fcq"],"status":"published","title":"CVE-2026-122113","description":"A vulnerability in Realtek's RtUsbA64.sys USB audio driver allows a physically present attacker using a maliciously crafted USB device to trigger unbounded recursion in the driver's topology-parsing logic during device enumeration. Processing the crafted descriptor exhausts the kernel stack and causes a system crash (bugcheck), resulting in a denial of service. No authenticated user session is required.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:P/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":0.00131,"percentile":0.02773,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-674"],"published":"2026-11-06T18:36:59Z","modified":"2026-11-10T18:21:47Z","products":[{"vendor":"realtek","product":"rtusba64.sys"}],"references":[{"url":"https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-122113"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122113"},{"url":"https://github.com/advisories/GHSA-243x-4g43-9fcq"}],"sources":{"cve":[{"id":"CVE-2026-122113","title":"CVE-2026-122113","description":"A vulnerability in Realtek's RtUsbA64.sys USB audio driver allows a physically present attacker using a maliciously crafted USB device to trigger unbounded recursion in the driver's topology-parsing logic during device enumeration. Processing the crafted descriptor exhausts the kernel stack and causes a system crash (bugcheck), resulting in a denial of service. No authenticated user session is required.","status":"published","published":"2026-11-06T18:36:59.863Z","modified":"2026-11-10T18:21:47.077Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-674"],"updated_at":"2026-11-10T19:39:58.973959Z"}],"euvd":[{"id":"EUVD-2026-118417","description":"A vulnerability in Realtek's RtUsbA64.sys USB audio driver allows a physically present attacker using a maliciously crafted USB device to trigger unbounded recursion in the driver's topology-parsing logic during device enumeration. Processing the crafted descriptor exhausts the kernel stack and causes a system crash (bugcheck), resulting in a denial of service. No authenticated user session is required.","status":"published","published":"2026-11-06T18:36:59Z","modified":"2026-11-10T18:21:47Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-10T19:22:08.52077Z"}],"ghsa":[{"id":"GHSA-243x-4g43-9fcq","title":"A vulnerability in Realtek's RtUsbA64.sys USB audio driver allows a physically present attacker...","description":"A vulnerability in Realtek's RtUsbA64.sys USB audio driver allows a physically present attacker using a maliciously crafted USB device to trigger unbounded recursion in the driver's topology-parsing logic during device enumeration. Processing the crafted descriptor exhausts the kernel stack and causes a system crash (bugcheck), resulting in a denial of service. No authenticated user session is required.","status":"published","published":"2026-11-06T21:31:26Z","modified":"2026-11-10T21:31:55Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-674"],"updated_at":"2026-11-10T21:57:47.623655Z"}],"nvd":[{"id":"CVE-2026-122113","description":"A vulnerability in Realtek's RtUsbA64.sys USB audio driver allows a physically present attacker using a maliciously crafted USB device to trigger unbounded recursion in the driver's topology-parsing logic during device enumeration. Processing the crafted descriptor exhausts the kernel stack and causes a system crash (bugcheck), resulting in a denial of service. No authenticated user session is required.","status":"published","published":"2026-11-06T19:17:43.59Z","modified":"2026-11-10T19:20:32.323Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-674"],"updated_at":"2026-11-10T22:21:31.83577Z"}]}}