CVE-2003-0346

Multiple integer overflows in a Microsoft Windows DirectX MIDI library (QUARTZ.DLL) allow remote attackers to execute arbitrary code via a MIDI (.mid) file with (1) large length for a Text or Copyright string, or (2) a large number of tracks, which leads to a heap-based buffer overflow.

Published: 2003-08-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0346 is rated High Risk (69.3/100): CVSS High severity, with high exploitation likelihood (EPSS 32.67%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +6.99% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2003-0346

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 25.68% 32.67% +6.99%
2 2025-03-30 18.32% 25.68% +7.36%
3 2025-03-29 — 18.32% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0346

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2003-0346

Affected software / configurations for CVE-2003-0346

Vendor Product Version Raw CPE
microsoft directx 5.2 cpe:2.3:a:microsoft:directx:5.2:*:*:*:*:*:*:*
microsoft directx 6.1 cpe:2.3:a:microsoft:directx:6.1:*:*:*:*:*:*:*
microsoft directx 7.0 cpe:2.3:a:microsoft:directx:7.0:*:*:*:*:*:*:*
microsoft directx 7.0a cpe:2.3:a:microsoft:directx:7.0a:*:*:*:*:*:*:*
microsoft directx 8.1 cpe:2.3:a:microsoft:directx:8.1:*:*:*:*:*:*:*
microsoft directx 9.0a cpe:2.3:a:microsoft:directx:9.0a:*:*:*:*:*:*:*

References for CVE-2003-0346

cvelogic Threat Intelligence