An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory.
Microsoft Windows Kernel Information Disclosure (CVE-2019-0661)
Microsoft Windows Kernel CVE-2019-0661 Local Information Disclosure Vulnerability
KB4486564: Windows 7 and Windows Server 2008 R2 February 2019 Security Update