Request Validation (aka the ValidateRequest filters) in ASP.NET in Microsoft .NET Framework with the MS07-040 update does not properly detect dangerous client input, which allows remote attackers to conduct cross-site scripting (XSS) attacks, as demonstrated by a query string containing a "<~/" (less-than tilde slash) sequence followed by a crafted STYLE element.
AV:N/AC:M/Au:N/C:N/I:P/A:N
This vulnerability has a 21.99% probability of being exploited in the next 30 days, ranking higher than 98% of all scored CVEs.