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8.8 High

CVE-2026-81579 In WibuKey for Windows before version 6.71, an untrusted pointer dereference in the WibuKey2_64.sys kernel driver for…

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.

Affected products and versions

Product Affected versions Fixed in
wibukey 6.71 earliest → < 6.71 6.71

Other CVEs of wibukey

The 3 CVEs of wibukey →
CVE-2026-84854 In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of… 7.0 High CVE-2026-81581 Improper validation of memory boundaries in WibuKey64.sys of WibuKey up to 6.70 for Windows can be exploited by an… 8.8 High
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