The (1) VBScript (VBScript.dll) and (2) JScript (JScript.dll) scripting engines 5.1 and 5.6, as used in Microsoft Windows 2000 SP4, XP SP2, and Server 2003 SP1 and SP2, do not properly decode script, which allows remote attackers to execute arbitrary code via unknown vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5495
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-022
http://www.vupen.com/english/advisories/2008/1146/references
http://www.us-cert.gov/cas/techalerts/TA08-099A.html
http://www.securitytracker.com/id?1019799
http://www.securityfocus.com/bid/28551