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15 Apr 2019
14 Nov 2017
Qixun Zhao of Qihoo 360 Vulcan Team, Anonymous working with Trend Micro's Zero Day Initiative, Wei of Qihoo 360 Vulcan Team
How to fix?
Upgrade Microsoft.ChakraCore to version 1.7.4 or higher.
Affected versions of this package are vulnerable to Remote Code Execution (RCE). A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.