Microsoft Internet Explorer Use-After-Free Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH

8.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation Likelihood

EPSS Prediction

88.21 %

Predictive Probability

Percentile Rank

99.5 th

Documented as more likely to be exploited than 99.5% of known CVEs.

Detection Date

Mar 03, 2022

Remediation Due

Mar 24, 2022

CISA Catalog Active

Threat Analysis

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

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2013-3897