Microsoft XML Core Services 3.0, 5.0, and 6.0 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "MSXML Information Disclosure Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-084
http://www.zerodayinitiative.com/advisories/ZDI-15-381