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.NET
.NET NuGet
Not in CISA KEV
HIGH severity

ChakraCore RCE VulnerabilityGHSA-hrf4-ww4w-6rv6

HIGHFix: chakra-core/ChakraCore#3917

GHSA-hrf4-ww4w-6rv6 is a high-severity (CVSS 7.5) Information Exposure vulnerability in Microsoft.ChakraCore. A fix is available for Microsoft.ChakraCore — see the affected versions and patch details below.

Also known asCVE-2017-11797
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
5.8%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs93th percentile — riskier than 93% of all scored CVEsHighest risk
0.00%10.7%21.5%32.2%26.1%5.8%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
.NETMicrosoft.ChakraCore

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects NuGet packages — download data is not available via public APIs for these ecosystems.

Description

ChakraCore allows an attacker to execute arbitrary code in the context of the current user, due to how the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-11792, CVE-2017-11793, CVE-2017-11796, CVE-2017-11798, CVE-2017-11799, CVE-2017-11800, CVE-2017-11801, CVE-2017-11802, CVE-2017-11804, CVE-2017-11805, CVE-2017-11806, CVE-2017-11807, CVE-2017-11808, CVE-2017-11809, CVE-2017-11810, CVE-2017-11811, CVE-2017-11812, and CVE-2017-11821.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
.NETNuGetMicrosoft.ChakraCoreall versions1.7.3dotnet add package Microsoft.ChakraCore --version 1.7.3

Affected Products

1 product · 1 configurations
Application
chakracoremicrosoft
≤ 1.7.2
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for Microsoft.ChakraCore, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update Microsoft.ChakraCore to 1.7.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-hrf4-ww4w-6rv6 is resolved across your whole dependency graph.

  3. Workarounds

    Assume what was exposed is already known: rotate any credential, token or key that the affected component could return, restrict the endpoint to callers that genuinely need it, and strip sensitive fields from responses and error output at the boundary rather than relying on the client not to read them.

Frequently Asked Questions

ChakraCore allows an attacker to execute arbitrary code in the context of the current user, due to how the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-11792, CVE-2017-11793, CVE-2017-11796, CVE-2017-11798, CVE-2017-11799, CVE-2017-11800, CVE-2017-11801, CVE-2017-11802, CVE-2017-11804, CVE-2017-11805, CVE-2017-11806, CVE-2017-11807, CVE-2017-11808, CVE-2017-11809, CVE-2017-11810, CVE-2017-11811, CVE-2017-11812, and CVE-2017-11821.
O3 Security · Impact-Aware SCA

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ChakraCore RCE Vulnerability (High 7.5)