CVE-2010-2730: Microsoft Internet Information Services

High severity, CVSS 9.3. EPSS: 32.8% chance of exploitation in the next 30 days.

Buffer overflow in Microsoft Internet Information Services (IIS) 7.5, when FastCGI is enabled, allows remote attackers to execute arbitrary code via crafted headers in a request, aka "Request Header Buffer Overflow Vulnerability."

Affected products

  • Microsoft Internet Information Services: version 7.5 only

Published 2010-09-15. Last modified 2026-06-16.