CVE-2018-8391: High severity microsoft chakra vulnerability

Q: What is the severity of CVE-2018-8391?

CVE-2018-8391 has been assigned a severity rating that indicates it can allow for remote code execution, which is critical.

Q: How do I fix CVE-2018-8391?

To mitigate CVE-2018-8391, upgrade to Microsoft ChakraCore version 1.11.1 or later.

Q: Which versions of ChakraCore are affected by CVE-2018-8391?

CVE-2018-8391 affects all versions of Microsoft ChakraCore prior to version 1.11.1.

Q: What type of vulnerability is CVE-2018-8391?

CVE-2018-8391 is categorized as a remote code execution vulnerability due to memory corruption in the ChakraCore scripting engine.

Q: Who is impacted by CVE-2018-8391?

Users and applications utilizing affected versions of Microsoft ChakraCore are at risk from CVE-2018-8391.

Published Sep 13, 2018

Updated

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8354, CVE-2018-8456, CVE-2018-8457, CVE-2018-8459.

Affected Software

2 affected componentsFixes available

nuget/Microsoft.ChakraCore<1.11.1

1.11.1

Microsoft ChakraCore

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8391

Event History

Sep 13, 2018

CVE Published

via MITRE·12:00 AM

Data Sourced

via MITRE·12:00 AM

DescriptionWeakness

May 13, 2022

Advisory Published

01:20 AM

Frequently Asked Questions

What is the severity of CVE-2018-8391?

CVE-2018-8391 has been assigned a severity rating that indicates it can allow for remote code execution, which is critical.

How do I fix CVE-2018-8391?