CVE-2007-3896
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.
Key facts
- CVSS score
- 9.3 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-20
- EPSS score
- 53.8% (99th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-3880)
- Published
- October 11, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-3880 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / internet explorer
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows 2003 server
- microsoft / windows xp
- microsoft / windows xp
- microsoft / windows xp
References
- http://blogs.zdnet.com/security/?p=577
- http://marc.info/?l=bugtraq&m=119143780202107&w=2
- http://marc.info/?l=bugtraq&m=119144449915918&w=2
- http://marc.info/?l=bugtraq&m=119159924712561&w=2
- http://marc.info/?l=bugtraq&m=119168062128026&w=2
- http://marc.info/?l=bugtraq&m=119194714125580&w=2
- http://marc.info/?l=bugtraq&m=119195904813505&w=2
- http://marc.info/?l=full-disclosure&m=119159477404263&w=2
- http://marc.info/?l=full-disclosure&m=119168727402084&w=2
- http://marc.info/?l=full-disclosure&m=119170531020020&w=2
- http://marc.info/?l=full-disclosure&m=119171444628628&w=2
- http://marc.info/?l=full-disclosure&m=119175323322021&w=2
- http://marc.info/?l=full-disclosure&m=119180333805950&w=2
- http://secunia.com/advisories/26201(Vendor Advisory)
- http://securitytracker.com/id?1018831
- http://www.heise-security.co.uk/news/96982
- http://www.kb.cert.org/vuls/id/403150(US Government Resource)
- http://www.microsoft.com/technet/security/advisory/943521.mspx
- http://www.securityfocus.com/archive/1/481493/100/100/threaded
- http://www.securityfocus.com/archive/1/481505/100/0/threaded
- http://www.securityfocus.com/archive/1/481624/100/0/threaded
- http://www.securityfocus.com/archive/1/481664/100/0/threaded
- http://www.securityfocus.com/archive/1/481671/100/0/threaded
- http://www.securityfocus.com/archive/1/481680/100/0/threaded
- http://www.securityfocus.com/archive/1/481839/100/0/threaded
- http://www.securityfocus.com/archive/1/481846/100/0/threaded
- http://www.securityfocus.com/archive/1/481867/100/0/threaded
- http://www.securityfocus.com/archive/1/481871/100/0/threaded
- http://www.securityfocus.com/archive/1/481881/100/0/threaded
- http://www.securityfocus.com/archive/1/481887/100/0/threaded
- http://www.securityfocus.com/archive/1/482090/100/0/threaded
- http://www.securityfocus.com/archive/1/482292/100/0/threaded
- http://www.securityfocus.com/archive/1/482437/100/0/threaded
- http://www.securityfocus.com/archive/1/484186/100/0/threaded
- http://www.securityfocus.com/bid/25945
- http://www.securitytracker.com/id?1018822
- http://www.us-cert.gov/cas/techalerts/TA07-317A.html(US Government Resource)
- http://xs-sniper.com/blog/remote-command-exec-firefox-2005/
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-061
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4581
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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