CVE-2004-0727Internet Explorer Vulnerability
Microsoft Internet Explorer 6.0.2800.1106 on Microsoft Windows XP SP2, and other versions including 5.01 and 5.5, allows remote web servers to bypass zone restrictions and execute arbitrary code in the local computer zone by redirecting a function to another function with the…
Published Jul 27, 2004 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2004-0727 is a high-severity vulnerability (CVSS 7.5 v2) affecting Internet Explorer (Microsoft).
- It is exploited in the wild, listed in Industry KEV feed since Nov 9, 2004. Public exploit code is available.
- EPSS estimates a 40% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
40%
Higher than 98.6% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
35/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Nov 9, 2004
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Description
Microsoft Internet Explorer 6.0.2800.1106 on Microsoft Windows XP SP2, and other versions including 5.01 and 5.5, allows remote web servers to bypass zone restrictions and execute arbitrary code in the local computer zone by redirecting a function to another function with the same name, as demonstrated by SimilarMethodNameRedir, aka the "Similar Method Name Redirection Cross Domain Vulnerability."
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Nov 9, 2004 | n/a | Not reported |
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Internet ExplorerMicrosoft | 6.0.2800.1106 | n/a |
Timeline
Publicly disclosed
Jul 27, 2004
Added to Industry KEV feed
Nov 9, 2004
Last updated
Apr 15, 2026
References
- exploitVulnCheck exploitation report
- exploitExploitDB-24265
- otherfreehost07.websamba.com · similarmethodnameredir.htm
- other20040711 MSIE Similar Method Name Redirection Cross Site/Zone Scripting
- otherMS04-038
FAQ
Common Questions.
Microsoft Internet Explorer 6.0.2800.1106 on Microsoft Windows XP SP2, and other versions including 5.01 and 5.5, allows remote web servers to bypass zone restrictions and execute arbitrary code in the local computer zone by redirecting a function to another function with the same name, as demonstrated by SimilarMetho…
Affected: Internet Explorer (Microsoft) versions 6.0.2800.1106. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Nov 9, 2004.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2004-0727 On Your Attack Surface?
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