CVE-2026-84854
Out of Bound Write on WibuKey for Windows
CVSS Score
7.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-787 |
| Vendor | wibu-systems-ag |
| Product | wibukey |
| Published | Oct 6, 2026 |
| Last Updated | Oct 6, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
wibu-systems-ag / wibukey
0 < 6.72
References
Credits
정기현(haro001)