Uit https://technet.microsoft.com/library/security/MS15-111 (onderstrepen aangebracht door mij): Door Microsoft Security TechCenter, V1.0 (October 13, 2015): Bulletin published, Page generated 2015-10-12 13:53-07:00: [...] Microsoft Security Bulletin MS15-111 - Important [...] Windows Mount Point Elevation of Privilege Vulnerability - CVE-2015-2553 An elevation of privilege vulnerability exists when Windows improperly validates junctions in certain scenarios in which mount points are being created. An attacker who successfully exploited this vulnerability could potentially run arbitrary code in the security context of the user running a compromised application. To exploit this vulnerability, an attacker would most likely have to leverage another vulnerability that allows them to run arbitrary code in a sandboxed application. The update addresses the vulnerability by correcting how Windows handles certain scenarios involving junction and mount-point creation. This vulnerability has been publicly disclosed. ...