{"id":"CVE-2026-106781","aliases":["EUVD-2026-109962","GHSA-vcm3-cv68-2c35"],"status":"published","title":"An issue in WCH CH340/CH341 USB-to-Serial Windows Driver setup package CH341SER.EXE version 4.0...","description":"An issue in WCH CH340/CH341 USB-to-Serial Windows Driver setup package CH341SER.EXE version 4.0 allows a local attacker to escalate privileges.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00151,"percentile":0.04276,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-269"],"published":"2026-10-26T00:00:00Z","modified":"2026-10-30T18:33:33Z","exploits":[{"source":"pocgithub","id":"tanuj8124/CVE-2026-106781","title":"tanuj8124/CVE-2026-106781","date":"2026-10-25","url":"https://github.com/tanuj8124/CVE-2026-106781"}],"references":[{"url":"https://www.wch-ic.com/downloads/CH341SER_EXE.html"},{"url":"https://github.com/tanuj8124/CVE-2026-106781","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106781"},{"url":"https://github.com/advisories/GHSA-vcm3-cv68-2c35"}],"sources":{"cve":[{"id":"CVE-2026-106781","description":"An issue in WCH CH340/CH341 USB-to-Serial Windows Driver setup package CH341SER.EXE version 4.0 allows a local attacker to escalate privileges.","status":"published","published":"2026-10-26T00:00:00Z","modified":"2026-10-30T17:16:20.207Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:20:04.156238Z"}],"euvd":[{"id":"EUVD-2026-109962","description":"An issue in WCH CH340/CH341 USB-to-Serial Windows Driver setup package CH341SER.EXE version 4.0 allows a local attacker to escalate privileges.","status":"published","published":"2026-10-26T00:00:00Z","modified":"2026-10-30T17:16:20Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:59:05.567782Z"}],"ghsa":[{"id":"GHSA-vcm3-cv68-2c35","title":"An issue in WCH CH340/CH341 USB-to-Serial Windows Driver setup package CH341SER.EXE version 4.0...","description":"An issue in WCH CH340/CH341 USB-to-Serial Windows Driver setup package CH341SER.EXE version 4.0 allows a local attacker to escalate privileges.","status":"published","published":"2026-10-26T15:34:45Z","modified":"2026-10-30T18:33:33Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:14:52.01816Z"}],"nvd":[{"id":"CVE-2026-106781","description":"An issue in WCH CH340/CH341 USB-to-Serial Windows Driver setup package CH341SER.EXE version 4.0 allows a local attacker to escalate privileges.","status":"published","published":"2026-10-26T15:16:35.137Z","modified":"2026-10-30T18:17:17.497Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:13:03.452847Z"}]}}