win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 does not properly validate the arguments to functions, which allows local users to read arbitrary data from kernel memory via a crafted application that triggers a NULL pointer dereference, aka "Win32k Incorrect Parameter Validation Allows Information Disclosure Vulnerability."

Microsoft Internet Explorer 6 and 7 on Windows XP and Vista does not prevent script from simulating user interaction with the AutoComplete feature, which allows remote attackers to obtain sensitive form information via a crafted web site, aka "AutoComplete Information Disclosure Vulnerability."

The AutoFill feature in Apple Safari before 5.0.1 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1.1 on Mac OS X 10.4, allows remote attackers to obtain sensitive Address Book Card information via JavaScript code that forces keystroke events for input fields.