CVE-2013-3897: Microsoft Internet Explorer Use-After-Free Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2022-03-03. EPSS: 77.3% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the CDisplayPointer class in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted JavaScript code that uses the onpropertychange event handler, as exploited in the wild in September and October 2013, aka "Internet Explorer Memory Corruption Vulnerability."

Affected products

• Microsoft Internet Explorer: version 6 only; version 7 only; version 8 only; version 9 only; version 10 only; version 11 only

Published 2013-10-09. Last modified 2026-06-16.