MinorCritical vulnerability
CVE-2026-84854 (CVSS 7.0)
NVD · officialPublished Oct 6, 2026Risk 23/100
In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of a kernel buffer could cause small amounts of data to be written outside the intended kernel buffer. This can lead to a system crash. Under unfavorable circumstances, adjacent kernel memory may be modified.
Technical details
CVSS
7.0
AV:LocalAC:HighPR:LowUI:NoneC:HighI:HighA:High
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
Open primary source