CVE-2007-3896
The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003,...
The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003, with Internet Explorer 7 installed, allows remote attackers to execute arbitrary programs via invalid "%" sequences in a mailto: or other URI handler, as demonstrated using mIRC, Outlook, Firefox, Adobe Reader, Skype, and other applications. NOTE: this issue might be related to other issues involving URL handlers in Windows systems, such as CVE-2007-3845. There also might be separate but closely related issues in the applications that are invoked by the handlers.
Exploit likelihood
What each source reports
NVD Score used
The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003, with Internet Explorer 7 installed, allows remote attackers to execute arbitrary programs via invalid "%" sequences in a mailto: or other URI handler, as demonstrated using mIRC, Outlook, Firefox, Adobe Reader, Skype, and other applications. NOTE: this issue might be related to other issues involving URL handlers in Windows systems, such as CVE-2007-3845. There also might be separate but closely related issues in the applications that are invoked by the handlers.
- Record
CVE-2007-3896- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003, with Internet Explorer 7 installed, allows remote attackers to execute arbitrary programs via invalid "%" sequences in a mailto: or other URI handler, as demonstrated using mIRC, Outlook, Firefox, Adobe Reader, Skype, and other applications. NOTE: this issue might be related to other issues involving URL handlers in Windows systems, such as CVE-2007-3845. There also might be separate but closely related issues in the applications that are invoked by the handlers.
- Record
CVE-2007-3896- Updated
- 2026-11-02
EUVDEUVD-2007-3880 No score
The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003, with Internet Explorer 7 installed, allows remote attackers to execute arbitrary programs via invalid "%" sequences in a mailto: or other URI handler, as demonstrated using mIRC, Outlook, Firefox, Adobe Reader, Skype, and other applications. NOTE: this issue might be related to other issues involving URL handlers in Windows systems, such as CVE-2007-3845. There also might be separate but closely related issues in the applications that are invoked by the handlers.
- Record
EUVD-2007-3880- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wmhg-7fm8-r4vp No score
The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003,...
The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003, with Internet Explorer 7 installed, allows remote attackers to execute arbitrary programs via invalid "%" sequences in a mailto: or other URI handler, as demonstrated using mIRC, Outlook, Firefox, Adobe Reader, Skype, and other applications. NOTE: this issue might be related to other issues involving URL handlers in Windows systems, such as CVE-2007-3845. There also might be separate but closely related issues in the applications that are invoked by the handlers.
- Record
GHSA-wmhg-7fm8-r4vp- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Windows - URI Handler Command Execution | 2007-10-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| aliases, exploits, facts, references, title | Exploit-DB, GitHub Advisories | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-3896 is a high vulnerability (CVSS 9.3) in Microsoft Internet Explorer, published October 11, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 53.8%, the 99th percentile. No source names a fixed version.
References
securityfocus.com/archive/1/482437/100/0/threaded
marc.info?l=full-disclosure&m=119159477404263&w=2
heise-security.co.uk/news/96982
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blogs.zdnet.com/security?p=577
secunia.com/advisories/26201
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4581
xs-sniper.com/blog/remote-command-exec-firefox-2005
securitytracker.com/id?1018831
us-cert.gov/cas/techalerts/TA07-317A.html
microsoft.com/technet/security/advisory/943521.mspx
docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-061
kb.cert.org/vuls/id/403150
securitytracker.com/id?1018822
nvd.nist.gov/vuln/detail/CVE-2007-3896
github.com/advisories/GHSA-wmhg-7fm8-r4vp