Windows XP Security Patch: Visual Studio 6.0 C Runtime Denial of Service Fix Microsoft has released a patch that eliminates a denial of service vulnerability in the C Runtime for Microsoft Windows NT 4.0, 2000 and XP. If SQL Server were running on the system and an attacker had the ability to load and execute queries on it, the vulnerability could enable the attacker to cause the SQL Server service to fail. Download now to protect your system against this vulnerability. More information: Security Bulletin M$01-60 Download