CVE-2026-81579

An untrusted Pointer Dereference can be exploited to escalate privileges by an unprivileged user on Windows

Published Aug 27, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
In WibuKey for Windows before version 6.71, an untrusted pointer dereference in the WibuKey2_64.sys kernel driver for 64-bit Windows allows an attacker to exploit a write-what-where primitive, enabling local privilege escalation. This can be leveraged to execute arbitrary code, run an administrator shell, or gain full control over the system.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description In WibuKey for Windows before version 6.71, an untrusted pointer dereference in the WibuKey2_64.sys kernel driver for 64-bit Windows allows an attacker to exploit a write-what-where primitive, enabling local privilege escalation. This can be leveraged to execute arbitrary code, run an administrator shell, or gain full control over the system.
Title An untrusted Pointer Dereference can be exploited to escalate privileges by an unprivileged user on Windows
First Time appeared Wibu-systems-ag
Wibu-systems-ag wibukey
Weaknesses CWE-123
CPEs cpe:2.3:a:wibu-systems-ag:wibukey:*:*:*:*:*:*:*:*
Vendors & Products Wibu-systems-ag
Wibu-systems-ag wibukey
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
wibu
Published
Updated
Aug 28, 2026, 3:55 AM
Reserved
Aug 27, 2026, 7:34 AM
Status
Deferred
Published
Aug 27, 2026, 10:16 AM
Modified
Sep 3, 2026, 5:49 PM