Update for Deprecation of MD5 Hashing Algorithm for Microsoft Root Certificate Program -...


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Revision Note: V2.0 (February 11, 2014): Revised advisory to announce that the 2862973 update for all affected releases of Microsoft Windows is now offered through automatic updating. Customers who previously applied the 2862973 update do not need to take any action.
Summary: Microsoft is announcing the availability of an update for supported editions of Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, and Windows Server 2012 that restricts the use of certificates with MD5 hashes. This restriction is limited to certificates issued under roots in the Microsoft root certificate program. Usage of MD5 hash algorithm in certificates could allow an attacker to spoof content, perform phishing attacks, or perform man-in-the-middle attacks.

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