{"id":"CVE-2021-32537","aliases":["EUVD-2021-19383","GHSA-crfq-x56q-fh5h"],"status":"published","title":"Realtek High definition audio Windows driver crashed","description":"Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0044,"percentile":0.38543,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2021-07-07T14:12:27Z","modified":"2026-10-09T00:31:10Z","exploits":[{"source":"pocgithub","id":"0vercl0k/CVE-2021-32537","title":"0vercl0k/CVE-2021-32537","date":"2021-06-09","url":"https://github.com/0vercl0k/CVE-2021-32537"}],"products":[{"vendor":"realtek","product":"hda driver"},{"vendor":"realtek","product":"hda_driver"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32537"},{"url":"https://github.com/advisories/GHSA-crfq-x56q-fh5h"}],"sources":{"cve":[{"id":"CVE-2021-32537","title":"Realtek High definition audio Windows driver crashed","description":"Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.","status":"published","published":"2021-07-07T14:12:27.033Z","modified":"2026-10-08T21:13:56.222Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19383","description":"Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.","status":"published","published":"2021-07-07T14:12:27Z","modified":"2026-10-08T21:13:56Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T17:27:26.452288Z"}],"ghsa":[{"id":"GHSA-crfq-x56q-fh5h","title":"Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a...","description":"Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed. A vulnerability in ____COMPONENT____ of Realtek HDA driver allows ____ATTACKER/ATTACK____ to cause ____IMPACT____. This issue affects: Realtek HDA driver 8155 version 9150 and prior versions.","status":"published","published":"2022-05-24T22:28:33Z","modified":"2026-10-09T00:31:10Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:12:59.31428Z"}],"nvd":[{"id":"CVE-2021-32537","description":"Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.","status":"published","published":"2021-07-07T14:15:12.17Z","modified":"2026-10-08T22:17:09.453Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}