CVE-2026-8863

• June Patch Tuesday smashes past 500-CVE mark

  June Patch Tuesday smashes past 500-CVE mark 209 patches + 388 advisories = welcome to summer 2026 Categories: Threat Research Tags: x-ops, Patch Tuesday, MICROSOFT PATCH TUESDAY June Patch Tuesday smashes past 500-CVE mark | SOPHOS Skip to Content Open search Get started Exper

• 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

• 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

• 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

All reports →