peter bassill · operator
$ cve CVE-2001-0909 JSON

CVE-2001-0909 EXPLOIT

7.5
HIGH · CVSS 2.0 · EPSS 19.7% (pctl 97)

Patch early

A public exploit exists.

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.

Scoring

CVSS7.5 (HIGH, v2.0)
VectorAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS19.74% — more likely to be exploited than 97% of all CVEs
On CISA KEVno
Public exploityes
Published2001-11-21
Last modified2026-06-16

Affected (1)

VendorProduct
microsoftwindows xp

Public exploits

SourceTitleDate
exploit-dbMicrosoft Windows XP - HCP URI Buffer Overflow2001-11-21

References

→ the Explorer  ·  watch your stack  ·  NVD