Here are some of the most significant bugs from the past week in the BugBlog:

Microsoft released a patch for the Windows animated cursor bug (see the 3/30 entry below) that affects Windows Vista, XP, and 2000. This patch was released a week earlier than Microsoft's normal Patch Tuesday, an indication of how serious the bug is. Get the patch here.

According to Paul Thurott of Windows IT Pro Magazine, there is not going to be a Windows XP Service Pack 3. The last service pack was in 2004, and SP3 was scheduled for 2005, and later 2006. Now it appears Microsoft is saying to millions of XP users, in the voice of the Soup Nazi "No Service Pack for you!" Read his take here.

There is a bug in the America Online 9.0 Revision 4156.910 SuperBuddy ActiveX control. A malicious user may be able to use this bug to run hostile code on the victim's computer. This control is in the sb.dll file. AOL is automatically sending out updates for this. You can also set the kill bit for the ActiveX control. The TippingPoint Security Research Team discovered this bug. Read the details.