Microsoft's mitigation for the YellowKey BitLocker bypass (CVE-2026-45585) closes a practical pre-boot recovery vector that allowed unrestricted shell access via crafted FsTx files on USB or EFI partitions. While the original disclosure focused on the WinRE autofstx.exe trigger and CTRL-key shell spawn, deeper analysis reveals this as part of a recurring pattern in Windows recovery trust assumptions, seen in prior physical attacks on TPM-only configurations. The flaw particularly endangers enterprise fleets and government devices where BitLocker is deployed without PIN requirements, enabling rapid data exfiltration during supply-chain tampering or insider physical access. Synthesizing the Hacker News report with Microsoft's advisory and LevelBlue's technical breakdown shows the patch's registry edit to disable autofstx.exe is a stopgap; true resilience demands shifting to TPM+PIN across all protected systems. This connects to broader infrastructure threats, where similar recovery bypasses have targeted critical networks in defense and energy sectors, underscoring the need for layered authentication to counter evolving physical threats.