Who should read this bulletin: System administrators using Microsoft Windows XP or Windows 2000, the latter especially in a domain controller role.
Impact of vulnerability: Modify group policy.
Maximum Severity Rating: Moderate
Recommendation: Administrators whose Windows 2000 or Windows XP Gold systems are configured to use SMB Signing should install the patch immediately.
Affected Software: Microsoft Windows 2000 and Microsoft Windows XP
Note: A fix for this issue is already included in Windows XP Service Pack 1.