Unrated severityNVD Advisory· Published Nov 17, 2003· Updated Jun 16, 2026
CVE-2003-0838
CVE-2003-0838
Description
Internet Explorer allows remote attackers to bypass zone restrictions to inject and execute arbitrary programs by creating a popup window and inserting ActiveX object code with a "data" tag pointing to the malicious code, which Internet Explorer treats as HTML or Javascript, but later executes as an HTA application, a different vulnerability than CVE-2003-0532, and as exploited using the QHosts Trojan horse (aka Trojan.Qhosts, QHosts-1, VBS.QHOSTS, or aolfix.exe).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
10cpe:2.3:a:microsoft:internet_explorer:5.0.1:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:a:microsoft:internet_explorer:5.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:5.5:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:5.5:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:5.5:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
11- lists.grok.org.uk/pipermail/full-disclosure/2003-September/009639.htmlnvd
- marc.infonvd
- marc.infonvd
- marc.infonvd
- securityresponse.symantec.com/avcenter/venc/data/trojan.qhosts.htmlnvd
- www.ntbugtraq.com/default.aspnvd
- www.osvdb.org/7872nvd
- www.securityfocus.com/bid/8556nvd
- docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-040nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/13314nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A204nvd
News mentions
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