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33impact

Out of Bound Write on WibuKey for Windows

Microsoft Windows · CVE-2026-84854
0 news outlets0 CERTs and agencies0 researchers

What is it?

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.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
7.0
EPSS
0.1%
First seen
9 h ago
Status
corroborated

All Microsoft vulnerabilities