Frequency
2
occurrences
First Seen
April 14, 2026
Last Seen
July 14, 2026
Related Threat Clusters
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Old UEFI Shims Exploit Bypass of Secure Boot Security
ESET researchers have discovered 11 outdated UEFI shim bootloaders, all version 0.9 or below, that can bypass UEFI Secure Boot protections on systems trusting Microsoft's 2011 certificate. These vulnerabilities allow…
14 articles · Updated July 14, 2026 -
BlueHammer Zero-Day Exploit Released, Exposing Windows Users to Privilege Escalation
A security researcher, known as Chaotic Eclipse, has publicly released exploit code for a zero-day vulnerability in Windows, dubbed BlueHammer, allowing local privilege escalation to SYSTEM or elevated administrator…
130 articles · Updated April 7, 2026
Recent Intelligence Reports
- Forgotten UEFI shims undermining Secure Boot — Welivesecurity · July 14, 2026
- Patch Tuesday - April 2026 — Rapid7 · April 14, 2026