Vulnerability in wibu-systems-ag wibukey

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• NCSC-NL13 Oct 2026NCSC-2026-0415

  Vulnerabilities fixed in Siemens products Translated from Dutch

  Probability/damage M/HCVE-2024-7322CVE-2025-6965CVE-2025-70873+38 more CVEs

[ References ]References

• cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-100065.pdf
• cert-portal.siemens.com/productcert/html/ssa-148322.html