The URL handling in Shell32.dll in the Windows shell in Microsoft Windows XP and Server 2003, with Internet Explorer 7 installed, allows…

Description

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.

Scores

EPSS (exploitation in 30 days)

53.8% · top 1.0% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (40)

• 20071017 Re: Third-party patch for CVE-2007-3896, UPDATE NOW (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071005 URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• 20071009 RE: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• http://www.heise-security.co.uk/news/96982 (opens in a new tab)x_refsource_MISCx_transferred
• 20071006 Re[2]: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape,Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071006 Re[2]: URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071005 URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• http://blogs.zdnet.com/security/?p=577 (opens in a new tab)x_refsource_MISCx_transferred
• 20071008 Re: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape,Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• HPSBST02291 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• 26201 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20071006 Re: URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071006 Re: URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• oval:org.mitre.oval:def:4581 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• http://xs-sniper.com/blog/remote-command-exec-firefox-2005/ (opens in a new tab)x_refsource_MISCx_transferred
• 20071007 Re: URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• 20071007 Re: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape,Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 1018831 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 20071009 Re: URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071006 Re: URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• 20071007 Re: Re[2]: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape,Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071006 Re[2]: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071007 Re[2]: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• TA07-317A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• 20071007 Re: URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• 943521 (opens in a new tab)vendor-advisoryx_refsource_MSKBx_transferred
• 20071004 Re[2]: 0day: mIRC pwns Windows (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071005 RE: URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• MS07-061 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
• 25945 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 20071008 Re: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071014 Third-party patch for CVE-2007-3896 (Internet Explorer 7 invalid URI handling) available (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• VU#403150 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
• 20071011 M$ will fix URI? (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071003 0day: mIRC pwns Windows (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071004 Re: 0day: mIRC pwns Windows (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071007 Re: [Full-disclosure] URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 20071006 Re: URI handling woes in Acrobat Reader, Netscape, Miranda, Skype (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• 20071003 Re: 0day: mIRC pwns Windows (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 1018822 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2007-3896](https://trackcve.app/badge/CVE-2007-3896.svg)](https://trackcve.app/cve/CVE-2007-3896)

Record last updated 7 Aug 2024, 14:37 UTC.