CVE-2007-0427 EXPLOIT
9.3
HIGH · CVSS 2.0 · EPSS 31.2% (pctl 98)
Patch early
A public exploit exists.
Description
Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote attackers to execute arbitrary code via a help project (.HPJ) file with a long HLP field in the OPTIONS section.
Scoring
| CVSS | 9.3 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:C/I:C/A:C |
| EPSS | 31.17% — more likely to be exploited than 98% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2007-01-23 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| microsoft | html help workshop |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Help Workshop 4.03.0002 - '.HPJ' Local Buffer Overflow | 2007-01-19 |
| exploit-db | Microsoft Help Workshop 4.03.0002 - '.cnt' Local Buffer Overflow | 2007-01-17 |
References
- http://osvdb.org/31899
- http://secunia.com/advisories/23862
- http://securityreason.com/securityalert/2177
- http://www.anspi.pl/~porkythepig/visualization/hpj-x01.cpp
- http://www.securityfocus.com/archive/1/457436/100/0/threaded
- http://www.securityfocus.com/bid/22135
- http://osvdb.org/31899
- http://secunia.com/advisories/23862
- http://securityreason.com/securityalert/2177
- http://www.anspi.pl/~porkythepig/visualization/hpj-x01.cpp
- http://www.securityfocus.com/archive/1/457436/100/0/threaded
- http://www.securityfocus.com/bid/22135
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