Technical Information

Brief overview of the risk:
This security update resolves a privately reported vulnerability in Microsoft Windows. The vulnerability could allow a denial of service if a remote, authenticated attacker, while communicating through Internet Protocol security (IPsec), sends a specially crafted ISAKMP message to the Local Security Authority Subsystem Service (LSASS) on an affected system.
Detailed Information on the risk:

A denial of service vulnerability exists in Microsoft Windows due to the way that the Local Security Authority Subsystem Service (LSASS) improperly handles specially crafted ISAKMP messages communicated through IPsec.

Further information on this exploit is available at : MS09-069