CVE-2016-7202: ChakraCore RCE Vulnerability in Microsoft.ChakraCore
Summary
CVE-2016-7202: ChakraCore RCE Vulnerability. Affects Microsoft.ChakraCore versions < 1.2.2. Fixed in 1.2.2. How to fix ↓
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Background
Microsoft.ChakraCore is a NuGet package that provides the Chakra JavaScript engine used in Microsoft Internet Explorer 9 through 11 and Microsoft Edge. The Chakra JavaScript engine is responsible for executing JavaScript code in these web browsers. However, a vulnerability has been discovered in ChakraCore that allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) by exploiting a memory corruption issue in the scripting engines of Internet Explorer and Edge.
Vulnerability Detail
The scripting engines in Microsoft Internet Explorer 9 through 11 and Microsoft Edge are vulnerable to a remote code execution (RCE) vulnerability. This vulnerability, known as CVE-2016-7202, allows attackers to execute arbitrary code or cause a denial of service by exploiting a memory corruption issue in the Chakra JavaScript engine. By crafting a malicious website, an attacker can trigger the vulnerability and potentially take control of the affected system. This vulnerability is distinct from other related vulnerabilities, such as CVE-2016-7200, CVE-2016-7201, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.
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
1.2.2
This is the first release that contains the fix.
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the recommended fix by updating the Microsoft.ChakraCore package to the latest version.
Conclusion
The CVE-2016-7202 vulnerability in Microsoft.ChakraCore exposes a remote code execution risk in Microsoft Internet Explorer 9 through 11 and Microsoft Edge. It is crucial to update the Microsoft.ChakraCore package to version 1.2.2 or later to mitigate this vulnerability. There is no known workaround, and it is recommended to apply the fix promptly. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Microsoft.ChakraCore →
FAQ
This vulnerability allows remote attackers to execute arbitrary code or cause a denial of service by exploiting a memory corruption issue in the Chakra JavaScript engine. If successfully exploited, an attacker can potentially take control of the affected system.
This vulnerability affects Microsoft Internet Explorer 9 through 11 and Microsoft Edge.
Yes, there are other related vulnerabilities such as CVE-2016-7200, CVE-2016-7201, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243. However, CVE-2016-7202 is a distinct vulnerability.
No, there is no known workaround for this vulnerability. It is crucial to update the Microsoft.ChakraCore package to the latest version.
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References
Related vulnerabilities
Recent vulnerabilities recorded for Microsoft.ChakraCore.
