CVE-2003-0809

Internet Explorer 5.01 through 6.0 does not properly handle object tags returned from a Web...

7.5 HighPublic exploit

Internet Explorer 5.01 through 6.0 does not properly handle object tags returned from a Web server during XML data binding, which allows remote attackers to execute arbitrary code via an HTML e-mail message or web page.

Exploit likelihood

27.3%Down 13.7 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2003-0809
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2003-0809
Updated: 2026-11-02

EUVDEUVD-2003-0800 No score

Record: EUVD-2003-0800
Updated: 2026-11-03

GitHub AdvisoriesGHSA-7f7c-5m52-265g No score

Internet Explorer 5.01 through 6.0 does not properly handle object tags returned from a Web...

Record: GHSA-7f7c-5m52-265g
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Microsoft Internet Explorer 5 - XML Page Object Type Validation (MS03-040)	2003-09-08

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-0809 is a high vulnerability (CVSS 7.5) in Microsoft Internet Explorer, published October 8, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 27.3%, the 98th percentile. No source names a fixed version.