CVE-2018-0860: ChakraCore RCE Vulnerability in Microsoft.ChakraCore

Microsoft.ChakraCore Updated 02 Oct 2025

Summary

13/05/2022

Disclosed on

CVE-2018-0860

CVE

Yes i

Fix available

High

Severity

7.5

CVSS Score

CVE-2018-0860: ChakraCore RCE Vulnerability. Affects Microsoft.ChakraCore versions < 1.8.1. Fixed in 1.8.1. How to fix ↓

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Background

Microsoft.ChakraCore is a package that provides the ChakraCore JavaScript engine, which is used by Microsoft Edge and other Microsoft products. It is responsible for executing JavaScript code and providing scripting capabilities. ChakraCore is vulnerable to a remote code execution (RCE) vulnerability in the scripting engine's handling of objects in memory.

Vulnerability Detail

The vulnerability, known as 'Scripting Engine Memory Corruption Vulnerability', allows an attacker to execute arbitrary code remotely. It is caused by a flaw in how the scripting engine handles objects in memory. This vulnerability affects Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016. The impact of this vulnerability can be severe, as it allows an attacker to take control of the affected system and potentially perform unauthorized actions.

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

1.8.1

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 package to the fixed version as soon as possible.

Conclusion

The ChakraCore RCE vulnerability in Microsoft.ChakraCore poses a significant risk to systems running affected versions of Microsoft Windows. It is crucial to update the Microsoft.ChakraCore package to version 1.8.1 or later to mitigate the vulnerability. Failure to do so may result in unauthorized access and control of the affected system. For further support on vulnerability remediation, please contact DevNack.com.

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