Internet Explorer 6 on Windows XP SP2, when Outlook is installed, allows remote attackers to cause a denial of service (crash) by calling the NewDefaultItem function of an OVCtl (OVCtl.OVCtl.1) ActiveX object, which triggers a null dereference.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.434
EPSS Ranking 97.3%