CVE-2006-0564: Microsoft Html Help
High severity, CVSS 7.5. EPSS: 71.7% chance of exploitation in the next 30 days.
Stack-based buffer overflow in Microsoft HTML Help Workshop 4.74.8702.0, and possibly earlier versions, and as included in the Microsoft HTML Help 1.4 SDK, allows context-dependent attackers to execute arbitrary code via a .hhp file with a long Contents file field.
Affected products
Published 2006-02-06. Last modified 2026-06-16.