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.
Published: 2026-10-06
Score: 7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 06 Oct 2026 10:15:00 +0000

Type Values Removed Values Added
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.
Title Out of Bound Write on WibuKey for Windows
First Time appeared Wibu-systems-ag
Wibu-systems-ag wibukey
Weaknesses CWE-787
CPEs cpe:2.3:a:wibu-systems-ag:wibukey:*:*:*:*:*:*:*:*
Vendors & Products Wibu-systems-ag
Wibu-systems-ag wibukey
References
Metrics cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

Wibu-systems-ag Wibukey
cve-icon MITRE

Status: PUBLISHED

Assigner: wibu

Published:

Updated: 2026-10-06T09:59:33.393Z

Reserved: 2026-09-02T13:16:24.763Z

Link: CVE-2026-84854

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-06T10:16:54.230

Modified: 2026-10-06T10:16:54.230

Link: CVE-2026-84854

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses