Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted…
Priority MEDIUM 64Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.31368 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2007-0427
- 2026-10-03 Alias added: GHSA-8h98-28x3-m78p
References
More Microsoft Html Help Workshop vulnerabilities
- TI-2009-00122 Buffer overflow in Microsoft HTML Help Workshop 4.74 and earlier allows context-dependent… CVSS 2.0HIGH 10.0
- TI-2006-00547 Stack-based buffer overflow in Microsoft HTML Help Workshop 4.74.8702.0, and possibly… CVSS 2.0HIGH 7.5
- TI-2007-00342 Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted… CVSS 2.0HIGH 9.3
Sources
- CVE-2007-0427 · CVE Program
- CVE-2007-0427 · NVD
- FIRST EPSS
- GHSA-8h98-28x3-m78p · GitHub Advisory Database · CC BY 4.0
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