Microsoft Releases Mitigation Measures for YellowKey Zero-Day Vulnerability

Microsoft has released mitigation measures to protect Windows systems from the zero-day vulnerability known as YellowKey, identified as CVE-2026-45585. The flaw specifically targets Windows PCs, though no explicit technical details about the vulnerability’s impact or attack vectors were provided. The article references guidance from Microsoft but does not specify a disclosure or patch release date. The focus is on applying protective measures rather than detailing the vulnerability’s mechanics. No affected Windows versions or specific BitLocker interactions were confirmed in the available content.