CVE-2005-2087
MediumExploitedPublic exploitInternet Explorer 5.01 SP4 up to 6 on various Windows operating systems, including IE 6.0.2900.2180 on Windows XP, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference…
Published Jul 5, 2005 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2005-2087 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Ie (Microsoft), Internet Explorer (Microsoft).
- It is exploited in the wild, listed in Industry KEV feed since Jul 12, 2005. Public exploit code is available.
- EPSS estimates a 61% 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.
CVSS v2
5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS (30-day exploit likelihood)
61%
Higher than 99.1% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2005-2087 brief as a PDF
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Description
Internet Explorer 5.01 SP4 up to 6 on various Windows operating systems, including IE 6.0.2900.2180 on Windows XP, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference certain COM objects that are not ActiveX controls, as demonstrated using the JVIEW Profiler (Javaprxy.dll). NOTE: the researcher says that the vendor could not reproduce this problem.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jul 12, 2005 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
11 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| IeMicrosoft | 5.1, 5.2.3, 6-windows_server_2003_sp1 | n/a |
| Internet ExplorerMicrosoft | 5.01-sp4, 5.1, 5.5, 5.5-preview, 5.5-sp1, 5.5-sp2, 6.0, 6.0.2900.2180 | n/a |
Timeline
Publicly disclosed
Jul 5, 2005
Added to Industry KEV feed
Jul 12, 2005
Last updated
Apr 15, 2026
Weakness Type
- CWE-399
References
- advisory15891
- advisoryADV-2005-0935
- exploitVulnCheck exploitation report
- exploitExploitDB-1079
- other20050629 SEC-CONSULT SA-20050629-0
FAQ
Common Questions.
Internet Explorer 5.01 SP4 up to 6 on various Windows operating systems, including IE 6.0.2900.2180 on Windows XP, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference certain COM objects that are not ActiveX con…
Affected: Ie (Microsoft) versions 5.1, 5.2.3, 6-windows_server_2003_sp1; Internet Explorer (Microsoft) versions 5.01-sp4, 5.1, 5.5, 5.5-preview, 5.5-sp1, 5.5-sp2, 6.0, 6.0.2900.2180. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jul 12, 2005.
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.
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