Internet Explorer 5.0 5.5 and 6.0 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference certain COM objects that are not ActiveX controls including (1) devenum.dll (2) diactfrm.dll (3) wmm2filt.dll (4) fsusd.dll (5) dmdskmgr.dll (6) browsewm.dll (7) browseui.dll (8) shell32.dll (9) mshtml.dll (10) inetcfg.dll (11) infosoft.dll (12) query.dll (13) syncui.dll (14) clbcatex.dll (15) clbcatq.dll (16) comsvcs.dll and (17) msconf.dll which causes memory corruption aka \COM Object Instantiation Memory Corruption Vulnerability \ a different vulnerability than CVE-2005-2087.