CVE-2007-0427
Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote...
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.
Exploit likelihood
What each source reports
NVD Score used
9.3
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.
- Record
CVE-2007-0427- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-0427- Updated
- 2026-11-02
EUVDEUVD-2007-0427 No score
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.
- Record
EUVD-2007-0427- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8h98-28x3-m78p No score
Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote...
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.
- Record
GHSA-8h98-28x3-m78p- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Help Workshop 4.03.0002 - '.cnt' Local Buffer Overflow | 2007-01-17 |
| Exploit-DB | Microsoft Help Workshop 4.03.0002 - '.HPJ' Local Buffer Overflow | 2007-01-19 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-0427 is a high vulnerability (CVSS 9.3) in Microsoft Html Help Workshop, published January 23, 2007. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 31.4%, the 98th percentile. No source names a fixed version.