CVE-2003-0809

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 97.7%
KEV: Not listed

Published

November 17, 2003

Last Modified

April 16, 2026

References (10)

cve@mitrehttp://www.osvdb.org/7887
cve@mitrehttp://www.securityfocus.com/bid/8565
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-040
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/13300
cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A123
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/7887
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/8565
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-040
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/13300
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A123

Data Freshness Timeline

(refreshed 6× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-23122✓ verified
First seen Sep 8, 2003
Microsoft Internet Explorer 5 - XML Page Object Type Validation (MS03-040)
Open source ↗

Frequently asked(4)

What is CVE-2003-0809?

CVE-2003-0809 is a none vulnerability published on November 17, 2003. 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.

When was CVE-2003-0809 disclosed?

CVE-2003-0809 was first published in the National Vulnerability Database on November 17, 2003, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2003-0809 actively exploited?

CVE-2003-0809 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-0809?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0809, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2003-0809

📅 Published

🔄 Last Modified

🔗 References (10)