← CVECheck
HomeVulnerabilities

CVE-2001-0909 — HIGH severity vulnerability (Buffer overflow in helpctr.exe program in Microsoft Help Cen)

Buffer overflow in helpctr.exe program in Microsoft Help Center for Windows XP allows remote attackers to execute arbitrary code via a long hcp: URL.

CVE IDCVE-2001-0909
SeverityHIGH
CVSS score7.5
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P
CWENVD-CWE-Other
StatusModified
Published2001-11-21
Last modified2026-04-16
DescriptionBuffer overflow in helpctr.exe program in Microsoft Help Center for Windows XP allows remote attackers to execute arbitrary code via a long hcp: URL.
SourceNIST National Vulnerability Database

🔍 Search all vulnerabilities →