peter bassill · operator
$ cve CVE-2009-0133 JSON

CVE-2009-0133 EXPLOIT

10.0
HIGH · CVSS 2.0 · EPSS 67% (pctl 99)

Patch early

A public exploit exists.

Description

Buffer overflow in Microsoft HTML Help Workshop 4.74 and earlier allows context-dependent attackers to execute arbitrary code via a .hhp file with a long "Index file" field, possibly a related issue to CVE-2006-0564.

Scoring

CVSS10.0 (HIGH, v2.0)
VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS67.05% — more likely to be exploited than 99% of all CVEs
WeaknessCWE-119
On CISA KEVno
Public exploityes
Published2009-01-15
Last modified2026-06-16

Affected (1)

VendorProduct
microsofthtml help workshop

Public exploits

References

→ the Explorer  ·  watch your stack  ·  NVD