CVE-2026-84854
Out of Bound Write on WibuKey for Windows
- State
- Published
- Severity
- 7.0 High
- Published
- Oct 6, 2026
- Updated
- Oct 15, 2026
- Reserved
- Sep 2, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.0 High | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | wibu |
Weaknesses
- CWE-787 Out-of-bounds write
Affected Products
| Product | Versions |
|---|---|
wibukeywibu-systems-ag |
|
References
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