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.
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Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-09-07. NVD baseline CVSS 7.5; sources differ by 0.3.
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.
September 6, 2022
May 27, 2026
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CWE-121 · CWE-787