CVE-2003-0503
Buffer overflow in the ShellExecute API function of SHELL32.DLL in Windows 2000 before SP4 may...
Buffer overflow in the ShellExecute API function of SHELL32.DLL in Windows 2000 before SP4 may allow attackers to cause a denial of service or execute arbitrary code via a long third argument.
Exploit likelihood
What each source reports
NVD Score used
Buffer overflow in the ShellExecute API function of SHELL32.DLL in Windows 2000 before SP4 may allow attackers to cause a denial of service or execute arbitrary code via a long third argument.
- Record
CVE-2003-0503- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Buffer overflow in the ShellExecute API function of SHELL32.DLL in Windows 2000 before SP4 may allow attackers to cause a denial of service or execute arbitrary code via a long third argument.
- Record
CVE-2003-0503- Updated
- 2026-11-02
EUVDEUVD-2003-0497 No score
Buffer overflow in the ShellExecute API function of SHELL32.DLL in Windows 2000 before SP4 may allow attackers to cause a denial of service or execute arbitrary code via a long third argument.
- Record
EUVD-2003-0497- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hwcm-g6vh-x9c8 No score
Buffer overflow in the ShellExecute API function of SHELL32.DLL in Windows 2000 before SP4 may...
Buffer overflow in the ShellExecute API function of SHELL32.DLL in Windows 2000 before SP4 may allow attackers to cause a denial of service or execute arbitrary code via a long third argument.
- Record
GHSA-hwcm-g6vh-x9c8- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2003-0503 is a high vulnerability (CVSS 7.5) in Microsoft Windows 2000, published July 4, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.95%, the 94th percentile. No source names a fixed version.