CVE-2026-8863

• Forgotten UEFI shims undermining Secure Boot

  Forgotten UEFI shims undermining Secure Boot ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI Secure Boot by exploiting decade-old vulnerabilities Forgotten UEFI shims undermining Secure Boot Award-winning n

• Old UEFI Shims Expose Systems to Secure Boot Bypass

  Old UEFI Shims Expose Systems to Secure Boot Bypass Signed by Microsoft, the vulnerable UEFI shim bootloaders could be abused on any system, regardless of the OS. The post Old UEFI Shims Expose Systems to Secure Boot Bypass appeared first on SecurityWeek . Old UEFI Shims Expose

• 11 Old Microsoft-Signed Linux UEFI Shims Could Let Attackers Bypass Secure Boot

  11 Old Microsoft-Signed Linux UEFI Shims Could Let Attackers Bypass Secure Boot Cybersecurity researchers have discovered 11 old, Microsoft-signed, Unified Extensible Firmware Interface (UEFI) applications that could be abused to bypass Secure Boot on most systems using the mode

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• EPSS CVE-2026-8863epss-recordscored_by

• Connector · intel_report_ingest3