CVE-2018-0954: ChakraCore RCE Vulnerability in Microsoft.ChakraCore
Summary
CVE-2018-0954: ChakraCore RCE Vulnerability. Affects Microsoft.ChakraCore versions < 1.8.4. Fixed in 1.8.4. How to fix ↓
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Background
Microsoft.ChakraCore is a scripting engine used in various Microsoft browsers, including Internet Explorer 9, Internet Explorer 11, Microsoft Edge, and Internet Explorer 10. It provides the functionality for executing and interpreting JavaScript code. However, a remote code execution vulnerability has been discovered in the way the scripting engine handles objects in memory. This vulnerability, known as "Scripting Engine Memory Corruption Vulnerability", can be exploited by an attacker to execute arbitrary code on the affected system. The vulnerability has a CVSS score of 7.5, indicating a high severity level.
Vulnerability Detail
The ChakraCore RCE vulnerability allows an attacker to manipulate objects in memory, leading to remote code execution. By exploiting this vulnerability, an attacker can execute arbitrary code on the affected system, potentially gaining full control over it. This can result in various malicious activities, such as stealing sensitive information, installing malware, or causing system disruptions. The vulnerability affects multiple versions of Microsoft browsers, including Internet Explorer 9, Internet Explorer 11, Microsoft Edge, and Internet Explorer 10.
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
1.8.4
This is the first release that contains the fix.
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Workaround
There is no specific workaround provided for this vulnerability. It is crucial to apply the recommended fix by updating the Microsoft.ChakraCore package to the latest version.
Conclusion
The ChakraCore RCE vulnerability in Microsoft.ChakraCore poses a significant risk to systems running affected versions of Microsoft browsers. It is crucial to update the Microsoft.ChakraCore package to version 1.8.4 or later to mitigate this vulnerability. Failure to apply the necessary security patches can result in potential remote code execution and compromise of the affected systems. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Microsoft.ChakraCore →
FAQ
The ChakraCore RCE vulnerability allows an attacker to execute arbitrary code on the affected system, potentially leading to full control over it. This can result in various malicious activities, such as data theft, malware installation, or system disruptions.
The vulnerability affects Internet Explorer 9, Internet Explorer 11, Microsoft Edge, and Internet Explorer 10.
The CVSS score of the ChakraCore RCE vulnerability is 7.5, indicating a high severity level.
No specific workaround is provided for this vulnerability. It is essential to apply the recommended fix by updating the Microsoft.ChakraCore package to the latest version.
For more information about this vulnerability, you can refer to the CVE-2018-0954 advisory on the GitHub Advisory Database.
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