ChakraCore RCE Vulnerability

HOCH 7.5CVE-2018-8556 · GHSA-fmv2-jv3p-6w47 · Published 14/11/2018 · updated 17/06/2026

Package	Affected versions	Patched versions
Microsoft.ChakraCore NuGet	`< 1.11.3`	`1.11.3`

Description

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8541, CVE-2018-8542, CVE-2018-8543, CVE-2018-8551, CVE-2018-8555, CVE-2018-8557, CVE-2018-8588.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2018-8556 · ADVISORY
chakra-core/ChakraCore#5827 · WEB
chakra-core/ChakraCore commit 2781608 · WEB
chakra-core/ChakraCore · PACKAGE
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8556 · WEB
web.archive.org/web/20210124213934/http://www.securityfocus.com/bid/105779 · WEB
web.archive.org/web/20211126224439/http://www.securitytracker.com/id/1042107 · WEB
securityfocus.com/bid/105779 · Third Party Advisory
securitytracker.com/id/1042107 · Third Party Advisory

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Package

Affected versions

Patched versions

Microsoft.ChakraCore

NuGet

< 1.11.3

1.11.3

Description

NVD description