An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Internet Explorer, aka "Scripting Engine Information Disclosure Vulnerability." This affects Internet Explorer 9, Internet Explorer 11, Internet Explorer 10. This CVE ID is unique from CVE-2018-0981, CVE-2018-0989, CVE-2018-1000.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0987