CVE-2003-0347

Exp

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.

Published: 2003-10-20 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0347 is rated High Exploit Risk (94.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 68.32%, 99th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.57% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2003-0347

EDB-ID Source Kind Published Link
23094 exploit_db edb 2003-09-03 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0347

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 63.75% 68.32% +4.57%
2 2026-02-08 70.46% 63.75% -6.71%
3 2025-05-29 — 70.46% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0347

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2003-0347

Affected software / configurations for CVE-2003-0347

Vendor Product Version Raw CPE
microsoft office 2000 cpe:2.3:a:microsoft:office:2000:*:*:*:*:*:*:*
microsoft office 2000 cpe:2.3:a:microsoft:office:2000:sp2:*:*:*:*:*:*
microsoft office 2000 cpe:2.3:a:microsoft:office:2000:sp3:*:*:*:*:*:*
microsoft office xp cpe:2.3:a:microsoft:office:xp:*:*:*:*:*:*:*
microsoft office xp cpe:2.3:a:microsoft:office:xp:sp1:*:*:*:*:*:*
microsoft office xp cpe:2.3:a:microsoft:office:xp:sp2:*:*:*:*:*:*
microsoft project 2000 cpe:2.3:a:microsoft:project:2000:*:*:*:*:*:*:*
microsoft project 2002 cpe:2.3:a:microsoft:project:2002:*:*:*:*:*:*:*
microsoft visio 2002 cpe:2.3:a:microsoft:visio:2002:*:professional:*:*:*:*:*
microsoft visual_basic 5.0 cpe:2.3:a:microsoft:visual_basic:5.0:*:sdk:*:*:*:*:*
microsoft visual_basic 6.2 cpe:2.3:a:microsoft:visual_basic:6.2:*:*:*:*:*:*:*
microsoft visual_basic 6.2 cpe:2.3:a:microsoft:visual_basic:6.2:*:sdk:*:*:*:*:*
microsoft visual_basic 6.3 cpe:2.3:a:microsoft:visual_basic:6.3:*:sdk:*:*:*:*:*

References for CVE-2003-0347

cvelogic Threat Intelligence