CVE-2022-4020

HighCVSS 8.2/10Last modified Jun 17, 2026

Description

Vulnerability in the HQSwSmiDxe DXE driver on some consumer Acer Notebook devices may allow an attacker with elevated privileges to modify UEFI Secure Boot settings by modifying an NVRAM variable.

Metrics

CVSS 3.1 8.2/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-276

Affected software

No affected versions have been published.

Timeline

Published: Nov 28, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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