CVE-2026-106781None▾ TwilightPoC availableAn issue in WCH CH340/CH341 USB-to-Serial Windows Driver setup package CH341SER.EXE version 4.0 allows a local attacker to escalate privileges.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 2.8 · likelihood 0 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
1 GitHub repo (last check)
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.