ChakraCore information disclosure vulnerability

MEDIUM 4.3CVE-2018-0939 · GHSA-xgcc-r2f3-rq6p · Published 14/03/2018 · updated 17/06/2026

In short

CVE-2018-0939 is a MEDIUM (CVSS 4.3) vulnerability affecting Microsoft.ChakraCore.
Chance of exploitation in the next 30 days (EPSS): 5.5%, higher than 92.8% of all vulnerabilities.
Fix: update to 1.8.2 or later.

Package	Affected versions	Patched versions
Microsoft.ChakraCore NuGet	`< 1.8.2`	`1.8.2`

Description

ChakraCore and Microsoft Edge in Windows 10 1703 and 1709 allow information disclosure, due to how the scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2018-0891.

NVD description

References

nvd.nist.gov/vuln/detail/CVE-2018-0939 · ADVISORY
chakra-core/ChakraCore commit 090277e · WEB
chakra-core/ChakraCore · PACKAGE
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0939 · WEB
web.archive.org/web/20201021051922/http://www.securitytracker.com/id/1040507 · WEB
web.archive.org/web/20210124145017/http://www.securityfocus.com/bid/103305 · WEB
securityfocus.com/bid/103305 · Third Party Advisory
securitytracker.com/id/1040507 · Third Party Advisory

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Package

Affected versions

Patched versions

Microsoft.ChakraCore

NuGet

< 1.8.2

1.8.2

Description

NVD description

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