Revision Note: V2.2 (February 10, 2015): Microsoft is announcing that SSL 3.0 fallback attempts are disabled by default in Internet Explorer 11. For more information see Microsoft Knowledge Base Article 3021952.Summary: Microsoft is aware of detailed information that has been published describing a new method to exploit a vulnerability in SSL 3.0. This is an industry-wide vulnerability affecting the SSL 3.0 protocol itself and is not specific to the Windows operating system. All supported versions of Microsoft Windows implement this protocol and are affected by this vulnerability. Microsoft is not aware of attacks that try to use the reported vulnerability at this time. Considering the attack scenario, this vulnerability is not considered high risk to customers.