This usually means its being exploited in the wild, so it might be an idea to update your machine.

Security Update for Windows XP (KB925486)
A security issue has been identified in the way Vector Markup Language (VML) is handled that could allow an attacker to compromise a computer running Microsoft Windows and gain control over it. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.

Link: http://www.windowsupdate.com

This entry was posted on Tuesday, September 26th, 2006 at 9:07 pm and is filed under Blog Entries, Security Advisories. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.