7.0
High
CVE-2026-84854 In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| wibukey 6.72 | earliest → < 6.72 | 6.72 |
| PSS(R)SINCAL V21.5 | Versions not published | |
| PSS(R)SINCAL V22.0 | Versions not published | |
| PSS(R)SINCAL V22.5 | Versions not published |