CVE-2026-84854
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.
Published:Oct 6, 2026
Last Modified:Oct 15, 2026
EPS:Oct 6, 2026
EPSS Score:0.00094
CVSS Score:7
Affected Products
Vendor
Product
Action
Vendor
Wibu-systems-ag
Product
Wibukey
Wibu-systems-ag
Wibukey
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
