CVE-2026-84854

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.

CVSS v3 7.0 HIGH

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/AdvisoryWIBU-100065.pdf
https://cert-portal.siemens.com/productcert/html/ssa-148322.html

Configurations

No configuration.

History

15 Oct 2026, 02:20

Type	Values Removed	Values Added
References		() https://cert-portal.siemens.com/productcert/html/ssa-148322.html -

06 Oct 2026, 10:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-06 10:16

Updated : 2026-10-15 02:20

NVD link : CVE-2026-84854

Mitre link : CVE-2026-84854

CVE.ORG link : CVE-2026-84854

JSON object : View

Products Affected

No product.

CWE

CWE-787

Out-of-bounds Write

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