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Vulnerability record · CVE-2007-4042 · published 27 July 2007

CVE-2007-4042: Microsoft internet explorer vulnerability

Microsoft · Internet Explorer

Multiple argument injection vulnerabilities in Netscape Navigator 9 allow remote attackers to execute arbitrary commands via a NULL byte (%00) and shell metacharacters in a (1) mailto, (2) nntp, (3) news, (4) snews, or (5) telnet URI, a similar issue to CVE-2007-3670.

7.5 CVSS 2.0 High EPSS 10% · top 4.4%
7.5CVSS 2.0 base score
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

Multiple argument injection vulnerabilities in Netscape Navigator 9 allow remote attackers to execute arbitrary commands via a NULL byte (%00) and shell metacharacters in a (1) mailto, (2) nntp, (3) news, (4) snews, or (5) telnet URI, a similar issue to CVE-2007-3670.

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

Affected products

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

References

LinkTags
http://osvdb.org/46832
http://xs-sniper.com/blog/remote-command-exec-firefox-2005/
http://osvdb.org/46832
http://xs-sniper.com/blog/remote-command-exec-firefox-2005/

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

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Source: NIST National Vulnerability Database (record CVE-2007-4042), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.