Download Security Update for Windows Server 2008 x64 Edition (KB978542) from Official Microsoft Download Center

A Surface Pro

Surface Pro

The most versatile laptop

Security Update for Windows Server 2008 x64 Edition (KB978542)

Important! Selecting a language below will dynamically change the complete page content to that language.

Select Language:
A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it.