CVE-2011-1257: Microsoft Internet Explorer

High severity, CVSS 7.6. EPSS: 15.3% chance of exploitation in the next 30 days.

Race condition in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via vectors involving access to an object, aka "Window Open Race Condition Vulnerability."

Affected products

• Microsoft Internet Explorer: version 6 only; version 7 only; version 8 only

Published 2011-08-10. Last modified 2026-06-16.