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7.0 High

CVE-2026-84854 In the WibuKey driver for Windows below Version 6.72, insufficient validation of user input when calculating the size of…

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.

Affected products and versions

Product Affected versions Fixed in
wibukey 6.72 earliest → < 6.72 6.72
PSS(R)SINCAL V21.5 Versions not published
PSS(R)SINCAL V22.0 Versions not published
PSS(R)SINCAL V22.5 Versions not published

Other CVEs of wibukey

The 3 CVEs of wibukey →
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 CVE-2026-81579 In WibuKey for Windows before version 6.71, an untrusted pointer dereference in the WibuKey2_64.sys kernel driver for… 8.8 High
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