CVE-2003-1328: n/a vulnerability

CVE-2003-1328: The showHelp() function in Microsoft Internet Explorer 5.01, 5.5, and 6.0 supports certain types of pluggab...

The showHelp() function in Microsoft Internet Explorer 5.01, 5.5, and 6.0 supports certain types of pluggable protocols that allow remote attackers to bypass the cross-domain security model and execute arbitrary code, aka "Improper Cross Domain Security Validation with ShowHelp functionality."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 02:28 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Internet Explorer flaw where a malicious web page could abuse the showHelp feature to bypass browser security boundaries and run code. The business concern is mainly legacy exposure: unsupported systems, old kiosks, lab machines, or embedded workflows still using IE 5.01, 5.5, or 6.0. Exposure is likely limited to legacy Windows environments that still run affected Internet Explorer versions or depend on old IE rendering behavior. Modern systems are not identified as affected in the supplied bundle. Prioritize this if legacy Internet Explorer remains anywhere in production, operational technology, kiosk, or regulated environments. If no affected IE versions exist, this should be tracked as a legacy hygiene item rather than an active emergency. Mitigation focus: Identify and retire Internet Explorer 5.01, 5.5, and 6.0 installations.; Review Microsoft MS03-004 and apply the relevant vendor update guidance.; Block affected IE versions from accessing untrusted web content..

Prepared: Jun 30, 2026, 03:02 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Execution behavior lookup

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CVE-2003-1328 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 1, 2004, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
oval:org.mitre.oval:def:57CVE reference · vdb-entry, signature
MS03-004CVE reference · vendor-advisory, x_refsource_MS

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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