Microsoft has issued manual mitigation guidance for YellowKey, a publicly disclosed BitLocker bypass tracked as CVE-2026-45585, after proof-of-concept exploit code appeared online in May 2026 and before the company has shipped a full security update for affected Windows systems. The...
Microsoft acknowledged the publicly disclosed YellowKey BitLocker bypass on May 20, 2026, assigning it CVE-2026-45585 and publishing mitigations for affected Windows 11 and Windows Server 2025 systems rather than a full security update. The company’s response is technically useful, but it also...