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CVE-2021-42205

MEDIUM
4.7
CVSS Score
Published: November 7, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:09 AM UTC
1 product affected across 1 vendorElan Miniport Touchpad Driver

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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Elan Miniport Touchpad Driver· Lenovo
95%
v < 24.21.51.2
Affected range stops below 24.21.51.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: [email protected]
https://www.emc.com.tw/upload/F2E/Vulnerability%20Report/Vulnerability%20Report_Miniport%20touchpad%20Windows%20driver_20221107.pdf

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.7MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-703

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