UEFI bootkit infected fully patched Windows machines. Is Microsoft to blame?

In 2023, malware tracked as BlackLotus became the first publicly documented in-the-wild UEFI bootkit capable of bypassing Secure Boot on fully updated Windows 11 systems. With the industry-wide chain-of-trust mechanism subverted, the malware was able to run malicious code before Windows was fully loaded and many security defenses were operational.