| Summary: | The vulnerability could allow spoofing if an attacker gains access to the certificate used by the end user for authentication. Customers are only affected when the public key component of the certificate used for authentication has been obtained by the attacker through other means.
This security update is rated Important for all supported editions of Microsoft Windows 2000, Windows XP, Windows Server 2003, Windows Vista, and Windows Server 2008.
The security update addresses the vulnerability by modifying the way that the server parses key exchange data during the TLS handshake. |