CVE-2009-0133
criticalCVSS v3 Base Score
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS Score
76.1%
Exploitation probability in 30 days
Top 1% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
C
Integrity
C
Availability
C
Published: January 15, 2009 (6328 days ago)
Last Modified: April 23, 2026
Vendor: Microsoft
Source: NVD
Vulnerability Report
Generated by CyberWatcher
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.
CWE
CWE-119Affected Products
microsoft html help workshop