Medium severity4.7NVD Advisory· Published Nov 7, 2022· Updated Jun 17, 2026

CVE-2021-42205

Description

ELAN Miniport touchpad Windows driver before 24.21.51.2, as used in PC hardware from multiple manufacturers, allows local users to cause a system crash by sending a certain IOCTL request, because that request is handled twice.

Affected products

ELAN/ELAN Miniport touchpad Windows driverdescription
EMC Corporation/Miniport touchpad Windows driverllm-create
Range: <24.21.51.2
ELAN/Miniport touchpad Windows driverllm-fuzzy
Range: <24.21.51.2

Patches

Vulnerability mechanics

References

www.emc.com.tw/upload/F2E/Vulnerability%20Report/Vulnerability%20Report_Miniport%20touchpad%20Windows%20driver_20221107.pdfnvdThird Party Advisory

News mentions

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epss	0.000
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ransomware	0.000