CVE-2020-26186

MediumCVSS 6.8/10Last modified Jun 17, 2026

Description

Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the RuntimeServices structure to execute arbitrary code in System Management Mode (SMM).

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-642 CWE-668

Affected software

Vendor	Product	Versions
Dell	CPG BIOS	>= unspecified, < 1.4.1

References

Timeline

Published: Jan 8, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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