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Vulnerability record · CVE-2007-5355 · published 5 December 2007

CVE-2007-5355: Microsoft internet explorer vulnerability

Microsoft · Internet Explorer

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.

5.8 CVSS 2.0 Medium EPSS 17% · top 3.0%
5.8CVSS 2.0 base score
17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/27901 Vendor Advisory
http://support.microsoft.com/kb/945713
http://www.microsoft.com/technet/security/advisory/945713.mspx
http://www.securityfocus.com/bid/26686
http://www.securitytracker.com/id?1019033
http://www.vupen.com/english/advisories/2007/4064
http://secunia.com/advisories/27901 Vendor Advisory
http://support.microsoft.com/kb/945713
http://www.microsoft.com/technet/security/advisory/945713.mspx
http://www.securityfocus.com/bid/26686
http://www.securitytracker.com/id?1019033
http://www.vupen.com/english/advisories/2007/4064

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-5355), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.