CVE-2026-81579: CWE-123 Write-what-where condition in wibu-systems-ag wibukey
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.
CVE-2026-81579: CWE-123 Write-what-where condition in wibu-systems-ag wibukey
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.
CVSS v3.1
Score 8.8high
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- wibu
- Date Reserved
- 2026-08-27T07:34:49.654Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9001f8acd9273b4910940f
Added to database: 08/27/2026, 09:23:04 UTC
Last updated: 08/27/2026, 13:37:13 UTC
Views: 7
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