CVE-2008-4259: Microsoft Internet Explorer

High severity, CVSS 9.3. EPSS: 32.7% chance of exploitation in the next 30 days.

Microsoft Internet Explorer 7 sometimes attempts to access uninitialized memory locations, which allows remote attackers to execute arbitrary code via a crafted HTML document that triggers memory corruption, related to a WebDAV request for a file with a long name, aka "HTML Objects Memory Corruption Vulnerability."

Affected products

• Microsoft Internet Explorer: version 5.01 only; version 6 only; version 7 only

Published 2008-12-10. Last modified 2026-06-16.