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
| CVSS | 10.0 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 67.05% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-01-15 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| microsoft | html help workshop |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft HTML Help Workshop 4.74 - '.hhp' Index Buffer Overflow (Metasploit) (3) | 2010-09-25 |
| exploit-db | Microsoft HTML Help Workshop 4.74 - '.hhp' Local Buffer Overflow (1) | 2009-12-05 |
| exploit-db | Microsoft HTML Workshop 4.74 - Universal Buffer Overflow | 2009-01-12 |
| exploit-db | Microsoft HTML Help Workshop - '.hhp' Local Buffer Overflow (3) | 2006-02-14 |
| exploit-db | Microsoft HTML Help Workshop - '.hhp' Local Buffer Overflow (2) | 2006-02-11 |
| exploit-db | Microsoft HTML Help Workshop - '.hhp' Denial of Service | 2006-02-10 |
| exploit-db | Microsoft HTML Help Workshop - '.hhp' Local Buffer Overflow (1) | 2006-02-06 |
References
→ the Explorer · watch your stack · NVD