What’s Vulnerable › Vulnerabilities

CVE-2009-0133

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 67.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2009-01-15 · updated 2026-06-16
• Weakness: CWE-119

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.

Affected products

• Microsoft Html Help Workshop: 4.74

References

• http://securityreason.com/securityalert/4914
• https://www.exploit-db.com/exploits/7727
• http://securityreason.com/securityalert/4914
• https://www.exploit-db.com/exploits/7727

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