CVE-2026-84854
In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when…
- Risk score
- 47/100
- CVSS
- 7.0 v3.1
- Exploit chance (30 days)
- 0.1%
- Published
- 6 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 mo…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.0 high
- Named in a government or vendor bulletin
Government and vendor bulletins
References
Original 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.
Last activity 22 Oct 2026. Patch Forecast updates every hour.