VBScript.dll in the Microsoft VBScript 5.6 through 5.8 engine, as used in Internet Explorer 8 through 11 and other products, allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "VBScript ASLR Bypass."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-053
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-043