#boot

Microsoft Defender’s Own Driver Can Be Weaponized to Delete Security Software at Boot

Aug 21, 2026 // 18:56

Check Point Research has disclosed a technique that uses Microsoft Defender’s own legitimately signed boot-time remediation driver to perform arbitrary kernel-level file and registry operations […]

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

Jul 14, 2026 // 15:47

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 […]

Six New U-Boot Flaws Could Let Malicious Images Crash Devices or Run Code at Boot

Jul 10, 2026 // 19:05

Researchers at firmware security firm Binarly have found six new flaws in U-Boot, the small program that starts up hardware as varied as home routers, smart cameras, […]

Unpatchable ‘usbliter8’ Exploit Breaks Apple A12 and A13 SecureROM Boot Chain

Jun 19, 2026 // 21:40

Security researchers at Paradigm Shift have published a working exploit, dubbed usbliter8, that achieves arbitrary code execution inside the SecureROM of Apple’s A12 and A13 chips. That code […]