CVE-2001-0909
Buffer overflow in helpctr.exe program in Microsoft Help Center for Windows XP allows remote...
CVE-2001-0909 is a high vulnerability (CVSS 7.5) in Microsoft Windows Xp, published November 21, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 19.7%, the 97th percentile. No source names a fixed version.
- Severity
- 7.5 HighCVSS 2.0, NVD
- Exploit chance
- 19.7%EPSS, 97th percentile
- Exploitation
- None known1 public exploit
- Fixed in
- No fix listedNo source names one
Description
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.
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Windows XP - HCP URI Buffer Overflow | 2001-11-21 |
What each source reports
NVD Score used
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.
- Record
CVE-2001-0909- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2001-0909- Updated
- 2026-11-02
EUVDEUVD-2001-0892No score
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.
- Record
EUVD-2001-0892- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c64x-2qg4-rpqqNo score
Buffer overflow in helpctr.exe program in Microsoft Help Center for Windows XP allows remote...
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.
- Record
GHSA-c64x-2qg4-rpqq- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.