Microsoft Internet Explorer and Edge Information Disclosure Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

MEDIUM

6.5 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

40.29 %

Predictive Probability

Percentile Rank

97.2 th

Documented as more likely to be exploited than 97.2% of known CVEs.

Detection Date

May 24, 2022

Remediation Due

Jun 14, 2022

CISA Catalog Active

Threat Analysis

An information disclosure vulnerability exists in the way that certain functions in Internet Explorer and Edge handle objects in memory. The vulnerability could allow an attacker to detect specific files on the user's computer.

Remediation Directive

Apply updates per vendor instructions.

Asset Context

Vendor Identity

Microsoft

Affected Product

Internet Explorer and Edge

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-200

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2016-3351