Revision Note: V1.0 (March 16, 2015): Advisory published.
Summary: Microsoft is aware of an improperly issued SSL certificate for the domain “live.fi” that could be used in attempts to spoof content, perform phishing attacks, or perform man-in-the-middle attacks. This issue affects all supported releases of Microsoft Windows. Microsoft is not currently aware of attacks related to this issue.
https://technet.microsoft.com/en-us/library/security/3046310