Medium severity6.8NVD Advisory· Published Jan 8, 2021· Updated Jun 17, 2026

CVE-2020-26186

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).

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Dell/BIOScpe-rescue
Range: unspecified
Dell/Inspiron 5675 BIOSllm-create
Range: <1.4.1
Dell/Inspiron 5675 Firmware
cpe:2.3:o:dell:inspiron_5675_firmware:*:*:*:*:*:*:*:*
Range: <1.4.1

Patches

Vulnerability mechanics

References

www.dell.com/support/kbdoc/en-us/000180645/dsa-2020-247-dell-client-platform-security-update-for-uefi-bios-runtimeservices-overwrite-vulnerabilitynvdVendor Advisory

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