CVE-2007-3903: Microsoft Ie

Medium severity, CVSS 6.8. EPSS: 31.3% chance of exploitation in the next 30 days.

Microsoft Internet Explorer 6 and 7 allows remote attackers to execute arbitrary code via uninitialized or deleted objects used in repeated calls to the (1) cloneNode or (2) nodeValue JavaScript function, a different issue than CVE-2007-3902 and CVE-2007-5344, a variant of "Uninitialized Memory Corruption Vulnerability."

Affected products

• Microsoft Ie: version 6.0 only
• Microsoft Internet Explorer: version 6 only; version 6.0 only; version 6.0.2600 only; version 6.0.2800 only; version 6.0.2800.1106 only; version 6.0.2900 only; …

Published 2007-12-12. Last modified 2026-06-16.