{"id":"CVE-2026-106781","state":"PUBLISHED","title":"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.","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.","publishedAt":"2026-10-26T00:00:00.000Z","updatedAt":"2026-10-30T17:16:20.207Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.wch-ic.com/downloads/CH341SER_EXE.html","https://github.com/tanuj8124/CVE-2026-106781"],"weaknesses":["CWE-269"],"ingestedAt":"2026-10-30T17:24:06.930Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/106xxx/CVE-2026-106781.json","commit":"e8328137ecf4069b095dab9de0403e0e5a96b5ec","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-106781","state":"PUBLISHED","datePublished":"2026-10-26T00:00:00.000Z","dateUpdated":"2026-10-30T17:16:20.207Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-10-07T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.wch-ic.com/downloads/CH341SER_EXE.html"},{"url":"https://github.com/tanuj8124/CVE-2026-106781"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-10-26T14:35:58.586Z"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/tanuj8124/CVE-2026-106781","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-30T16:46:39.440669Z","id":"CVE-2026-106781","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-269","type":"CWE","lang":"en","description":"CWE-269 Improper Privilege Management"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-30T17:16:20.207Z"}}]}}}