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Vulnerability of Windows: fraudulent certificate emitted for Live.fi

Synthesis of the vulnerability 

An attacker, who owns the "www.live.fi" certificate, can use a Man-in-the-middle attack on a fake Live site, in order for example to obtain sensitive information.
Impacted software: Windows 2003, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 7, Windows 8, Windows Mobile, Windows RT, Windows Vista.
Severity of this computer vulnerability: 3/4.
Creation date: 17/03/2015.
Références of this announce: 3046310, VIGILANCE-VUL-16396.

Description of the vulnerability 

The Windows system is installed with trusted certification authorities, such as "COMODO RSA Domain Validation Secure Serve CA".

However, this authority published a malicious certificate for "www.live.fi".

An attacker, who owns the malicious "www.live.fi" certificate, can therefore use a Man-in-the-middle attack on a fake Live site, in order for example to obtain sensitive information.
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This weakness alert impacts software or systems such as Windows 2003, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 7, Windows 8, Windows Mobile, Windows RT, Windows Vista.

Our Vigil@nce team determined that the severity of this computer vulnerability note is important.

The trust level is of type confirmed by the editor, with an origin of internet server.

An attacker with a expert ability can exploit this security bulletin.

Solutions for this threat 

Windows: solution for Live.fi.
The solution is indicated in information sources, and in:
  https://technet.microsoft.com/library/security/3046310
  http://support.microsoft.com/kb/2677070
  http://support.microsoft.com/kb/2917500
  http://support.microsoft.com/kb/3046310
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