CVE-2018-8456: ChakraCore RCE Vulnerability in Microsoft.ChakraCore
Summary
CVE-2018-8456: ChakraCore RCE Vulnerability. Affects Microsoft.ChakraCore versions < 1.11.1. Fixed in 1.11.1. How to fix ↓
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Background
Microsoft.ChakraCore is a scripting engine used by Microsoft Edge. It provides support for executing JavaScript code within web pages. ChakraCore is an open-source project and is available as a NuGet package. This vulnerability, known as 'Scripting Engine Memory Corruption Vulnerability,' allows remote code execution. It affects Microsoft Edge and ChakraCore versions prior to 1.11.1.
Vulnerability Detail
The ChakraCore scripting engine in Microsoft Edge is vulnerable to remote code execution due to a memory corruption issue. Attackers can exploit this vulnerability to execute arbitrary code on a user's system by tricking them into visiting a specially crafted website or opening a malicious document. The vulnerability has a CVSS score of 7.5, indicating a high severity level. It is important to note that this CVE ID is unique from other related vulnerabilities (CVE-2018-8354, CVE-2018-8391, CVE-2018-8457, CVE-2018-8459).
How To Fix
Latest published version: 1.11.24 as of 22 Oct 2026
Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
1.11.1
This is the first release that contains the fix.
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Workaround
There is no known workaround for this vulnerability. It is crucial to update the Microsoft.ChakraCore package to the latest version to mitigate the risk of exploitation.
Conclusion
The ChakraCore RCE vulnerability in Microsoft.ChakraCore can lead to remote code execution, posing a significant risk to users. To mitigate this vulnerability, it is crucial to update the Microsoft.ChakraCore package to version 1.11.1 or later. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Microsoft.ChakraCore →
FAQ
Microsoft.ChakraCore is a scripting engine used by Microsoft Edge to execute JavaScript code within web pages.
This vulnerability allows remote code execution, which means an attacker can execute arbitrary code on a user's system.
Attackers can exploit this vulnerability by tricking users into visiting a specially crafted website or opening a malicious document.
The CVSS score of this vulnerability is 7.5, indicating a high severity level.
No, there is no known workaround. It is recommended to update the Microsoft.ChakraCore package to the latest version.
References
Related vulnerabilities
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