CVE-2007-5355

Name: CVE-2007-5355
Creator: NVD / NIST
Published: 2007-12-05T11:46:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 16.63%

Last modified Jun 16, 2026

CVE-2007-5355 is a vulnerability of currently unknown severity. The Web Proxy Auto-Discovery (WPAD) feature in Microsoft Internet Explorer 6 and 7, when a primary DNS suffix with three or more components is configured, resolves an unqualified wpad hostname in a second-level domain outside this configured DNS domain, which allows remote WPAD servers to conduct man-in-the-middle (MITM) attacks.. EPSS estimates a 16.63% chance of exploitation in the next 30 days.

Description

The Web Proxy Auto-Discovery (WPAD) feature in Microsoft Internet Explorer 6 and 7, when a primary DNS suffix with three or more components is configured, resolves an unqualified wpad hostname in a second-level domain outside this configured DNS domain, which allows remote WPAD servers to conduct man-in-the-middle (MITM) attacks.

Metrics

EPSS Probability

16.63%

96.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Microsoft	Internet Explorer	5.01	Sp4
Microsoft	Internet Explorer	6	Sp1
Microsoft	Internet Explorer	7	—

References

Timeline

Published: Dec 5, 2007
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2007-5355?

How severe is CVE-2007-5355?

Severity scoring for CVE-2007-5355 is pending analysis. The EPSS model estimates a 16.63% probability of exploitation in the next 30 days.

How do I fix CVE-2007-5355?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2007-5355?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST