ACTIVELY EXPLOITED

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

Facts
VendorMicrosoft
ProductInternet Explorer
Actively exploitedYes
Added to CISA KEV3 Mar 2022
CISA federal deadline24 Mar 2022
Weakness (CWE)CWE-399

Required action (CISA's text)

Apply updates per vendor instructions.

Description (NVD)

A use-after-free vulnerability exists within CDisplayPointer in Microsoft Internet Explorer that allows an attacker to remotely execute arbitrary code.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.