CVE-2019-1002: ChakraCore RCE via Out-of-bounds write in Microsoft.ChakraCore
Summary
CVE-2019-1002: ChakraCore RCE via Out-of-bounds write. Affects Microsoft.ChakraCore versions < 1.11.10. Fixed in 1.11.10. How to fix ↓
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Background
Microsoft.ChakraCore is a scripting engine used in Microsoft Edge. It provides support for executing JavaScript code in web applications. ChakraCore is vulnerable to a remote code execution (RCE) vulnerability that occurs due to the mishandling of objects in memory. This vulnerability can be exploited by an attacker to execute arbitrary code on a target system. The vulnerability has a CVSS score of 7.5, indicating a high severity level.
Vulnerability Detail
The ChakraCore RCE vulnerability in Microsoft.ChakraCore allows an attacker to write data beyond the bounds of an allocated memory buffer. This can lead to memory corruption, which can be exploited to execute arbitrary code. An attacker can craft a malicious script or webpage to trigger this vulnerability and gain control over the affected system. The impact of this vulnerability includes potential unauthorized access, data theft, and system compromise.
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
1.11.10
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 provided fix by updating the Microsoft.ChakraCore package to the recommended version.
Conclusion
The ChakraCore RCE vulnerability in Microsoft.ChakraCore poses a significant risk to systems using this package. It is crucial to update to the recommended version to mitigate the vulnerability and prevent potential exploitation. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Microsoft.ChakraCore →
FAQ
This vulnerability allows an attacker to execute arbitrary code on the affected system, potentially leading to unauthorized access, data theft, and system compromise.
To mitigate the risk, it is essential to update the Microsoft.ChakraCore package to version 1.11.10 or later as soon as possible.
There are no known instances of this vulnerability being exploited in the wild. However, it is crucial to apply the recommended fix to prevent any potential exploitation.
Yes, the CVSS score for this vulnerability is 7.5, indicating a high severity level.
For more information about this vulnerability, you can refer to the GitHub advisory database at the provided source link.
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