CVE-2018-8371: ChakraCore RCE Vulnerability in Microsoft.ChakraCore
Summary
CVE-2018-8371: ChakraCore RCE Vulnerability. Affects Microsoft.ChakraCore versions < 1.10.1. Fixed in 1.10.1. How to fix ↓
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Background
Microsoft.ChakraCore is a scripting engine used in Internet Explorer versions 9, 10, and 11. It is responsible for executing JavaScript code within the browser. ChakraCore is an open-source project developed by Microsoft and is widely used in web browsers. This vulnerability, known as 'Scripting Engine Memory Corruption Vulnerability,' allows remote code execution by exploiting the way the scripting engine handles objects in memory. It affects Internet Explorer 9, Internet Explorer 11, and Internet Explorer 10.
Vulnerability Detail
The 'Scripting Engine Memory Corruption Vulnerability' in ChakraCore allows an attacker to execute arbitrary code remotely. By manipulating objects in memory, an attacker can gain control over the affected system. This vulnerability poses a significant risk as it can be exploited through malicious websites or crafted documents, potentially leading to the installation of malware, unauthorized access, or data theft. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 7.5, indicating a high severity level.
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
1.10.1
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 apply the recommended fix by updating the Microsoft.ChakraCore package to the latest version.
Conclusion
The 'Scripting Engine Memory Corruption Vulnerability' in Microsoft.ChakraCore poses a significant risk to Internet Explorer versions 9, 10, and 11. It allows remote code execution, potentially leading to unauthorized access, data theft, or malware installation. To mitigate this risk, it is crucial to update the Microsoft.ChakraCore package to version 1.10.1 or later. For further assistance or support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Microsoft.ChakraCore →
FAQ
Microsoft.ChakraCore is a scripting engine used in Internet Explorer to execute JavaScript code.
Internet Explorer 9, Internet Explorer 11, and Internet Explorer 10 are affected.
This vulnerability allows remote code execution, which can lead to unauthorized access, data theft, or malware installation.
Update the Microsoft.ChakraCore package to version 1.10.1 or later.
No, there is no known workaround. Updating the package is the recommended solution.
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