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CVE-2003-1328

49
FAUCET Score

CVE-2003-1328 describes a critical cross-domain security bypass vulnerability in Microsoft Internet Explorer versions 5.01, 5.5, and 6.0, specifically within the showHelp() function. This flaw allows remote attackers to execute arbitrary code on affected systems. With a CVSS score of 7.5, it is considered highly severe due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While not listed in CISA KEV and showing no recent community discussion or media coverage, an exploit for arbitrary command execution is publicly available on ExploitDB, indicating its potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:a:microsoft:ie:6.0:sp1:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:5.0.1:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp1:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp2:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:5.0.1:sp3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
38.93%
Probability of exploitation in next 30 days
EPSS Percentile
98.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-22226 · Feb 5, 2003
This CVE's current EPSS score of 0.3893 is in the 97th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/bugtraq/2003-02/0083.html
docs.microsoft.com / en-us/security-updates/securitybulletins/2003/ms03-004
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A57
ciac.org / ciac/bulletins/n-038.shtml
iss.net / security_center/static/11259.php
Vendor Advisory
kb.cert.org / vuls/id/400577
US Government Resource
securityfocus.com / bid/6780