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CVE-2003-0503 — HIGH severity vulnerability (Buffer overflow in the ShellExecute API function of SHELL32.)

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.

CVE IDCVE-2003-0503
SeverityHIGH
CVSS score7.5
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
CWENVD-CWE-Other
StatusModified
Published2003-08-07
Last modified2026-04-16
DescriptionBuffer 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.
SourceNIST National Vulnerability Database

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