CVE-2003-0347

NONECVSS 0.0Weaponized

0.0

Heap-based buffer overflow in VBE.DLL and VBE6.DLL of Microsoft Visual Basic for Applications (VBA) SDK 5.0 through 6.3 allows remote attackers to execute arbitrary code via a document with a long ID parameter.

CVSS v3: —
EG Score: —
EPSS: 98.4%
KEV: Not listed

Published

October 20, 2003

Last Modified

April 16, 2026

References (12)

cve@mitrehttp://archives.neohapsis.com/archives/vulnwatch/2003-q3/0093.html
cve@mitrehttp://marc.info/?l=bugtraq&m=106262077829157&w=2
cve@mitrehttp://secunia.com/advisories/9666
cve@mitrehttp://www.kb.cert.org/vuls/id/804780
cve@mitrehttp://www.securityfocus.com/bid/8534
cve@mitrehttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-037
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/vulnwatch/2003-q3/0093.html
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=106262077829157&w=2
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/9666
af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/804780
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/8534
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-037

Data Freshness Timeline

(refreshed 4× in last 7d / 7× 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
2026-05-27 13:37 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 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-23094✓ verified
First seen Sep 3, 2003
Microsoft Visual Basic For Applications SDK 5.0/6.0/6.2/6.3 - Document Handling Buffer Overrun
Open source ↗

Frequently asked(4)

What is CVE-2003-0347?

CVE-2003-0347 is a none vulnerability published on October 20, 2003. Heap-based buffer overflow in VBE.DLL and VBE6.DLL of Microsoft Visual Basic for Applications (VBA) SDK 5.0 through 6.3 allows remote attackers to execute arbitrary code via a document with a long ID parameter.

When was CVE-2003-0347 disclosed?

CVE-2003-0347 was first published in the National Vulnerability Database on October 20, 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-2003-0347 actively exploited?

CVE-2003-0347 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2003-0347?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0347, 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-2003-0347

📅 Published

🔄 Last Modified

🔗 References (12)