CVE-2022-26860

HIGH

Dell BIOS Stack-based Buffer Overflow via SMI

Title source: llm
STIX 2.1

Description

Dell BIOS versions contain a stack-based buffer overflow vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI to bypass security checks resulting in arbitrary code execution in SMM.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://www.dell.com/support/kbdoc/000202194

Scores

CVSS v3 7.5
EPSS 0.0005
EPSS Percentile 16.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

CWE
CWE-121 CWE-787
Status published
Products (50)
dell/alienware_m15_r6_firmware < 1.8.0
dell/chengming_3980_firmware < 2.21.0
dell/chengming_3988_firmware < 1.9.0
dell/chengming_3990_firmware < 1.8.2
dell/chengming_3991_firmware < 1.8.2
dell/edge_gateway_3000_firmware < 1.8.0
dell/edge_gateway_5000_firmware < 1.18.0
dell/embedded_box_pc_3000_firmware < 1.14.0
dell/embedded_box_pc_5000_firmware < 1.15.0
dell/g15_5510_firmware < 1.8.0
... and 40 more
Published Sep 06, 2022
Tracked Since Feb 18, 2026