Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows 10 1511, and Microsoft Edge allow remote attackers to obtain sensitive information from process memory via a crafted PDF document, aka "Windows PDF Information Disclosure Vulnerability," a different vulnerability than CVE-2016-3201.
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-080
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-068