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Hundreds Of Millions Of Dell Computers At Risk Due to Multiple BIOS Driver Privilege Escalation Flaws

  • SentinelLabs has discovered five high severity flaws in Dell’s firmware update driver impacting Dell desktops, laptops, notebooks and tablets.
  • Attackers may exploit these vulnerabilities to locally escalate to kernel-mode privileges.
  • Since 2009, Dell has released hundreds of millions of Windows devices worldwide which contain the vulnerable driver.
  • SentinelLabs findings were proactively reported to Dell on Dec 1, 2020 and are tracked as CVE-2021-21551, marked with CVSS Score 8.8.
  • Dell has released a security update to its customers to address this vulnerability.
  • At this time, SentinelOne has not discovered evidence of in-the-wild abuse.

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