CVE-2018-1022: ChakraCore RCE Vulnerability in Microsoft.ChakraCore
Summary
CVE-2018-1022: ChakraCore RCE Vulnerability. Affects Microsoft.ChakraCore versions < 1.8.4. Fixed in 1.8.4. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Microsoft.ChakraCore is a scripting engine used in Microsoft browsers, including Internet Explorer 11 and Microsoft Edge. It provides support for executing JavaScript code and is a critical component for rendering web pages. However, a remote code execution vulnerability has been discovered in ChakraCore, which can be exploited by attackers to execute arbitrary code on a target system. This vulnerability, also known as "Scripting Engine Memory Corruption Vulnerability," can have severe consequences if exploited successfully.
Vulnerability Detail
The vulnerability arises from a flaw in the way the scripting engine handles objects in memory. By manipulating certain objects, an attacker can corrupt memory and execute arbitrary code. This can lead to various malicious activities, such as installing malware, stealing sensitive information, or taking control of the affected system. The vulnerability has been assigned a CVSS score of 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
1.8.4
This is the first release that contains the fix.
Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
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 ChakraCore RCE vulnerability in Microsoft.ChakraCore poses a significant risk to systems utilizing Microsoft browsers. It is crucial to update the affected package to the latest version to mitigate the vulnerability. For further assistance and support in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Microsoft.ChakraCore →
FAQ
Microsoft.ChakraCore is a scripting engine used in Microsoft browsers to execute JavaScript code.
The vulnerability allows attackers to execute arbitrary code on a target system, potentially leading to malware installation, data theft, or system compromise.
This vulnerability affects Microsoft browsers, including Internet Explorer 11 and Microsoft Edge, which utilize the ChakraCore scripting engine.
The CVSS score of this vulnerability is 7.5, indicating a high severity level.
No, there is no known workaround. It is essential to update the Microsoft.ChakraCore package to the latest version.
Related vulnerabilities
Recent vulnerabilities recorded for Microsoft.ChakraCore.
