CVE-2000-0503

NONECVSS 0.0

0.0

The IFRAME of the WebBrowser control in Internet Explorer 5.01 allows a remote attacker to violate the cross frame security policy via the NavigateComplete2 event.

CVSS v3: —
EG Score: —
EPSS: 93.6%
KEV: Not listed

Published

June 6, 2000

Last Modified

April 16, 2026

References (4)

cve@mitrehttp://archives.neohapsis.com/archives/win2ksecadvice/2000-q2/0154.html
cve@mitrehttp://www.securityfocus.com/bid/1311
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/win2ksecadvice/2000-q2/0154.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/1311

Data Freshness Timeline

(refreshed 14× in last 7d / 20× 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
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 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

Frequently asked(4)

What is CVE-2000-0503?

CVE-2000-0503 is a none vulnerability published on June 6, 2000. The IFRAME of the WebBrowser control in Internet Explorer 5.01 allows a remote attacker to violate the cross frame security policy via the NavigateComplete2 event.

When was CVE-2000-0503 disclosed?

CVE-2000-0503 was first published in the National Vulnerability Database on June 6, 2000, 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-2000-0503 actively exploited?

CVE-2000-0503 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0503?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0503, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2000-0503

Explore →

Is Your Infrastructure Affected by CVE-2000-0503?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2000-0503

📅 Published

🔄 Last Modified

🔗 References (4)