vulnerability

Microsoft Edge (Chromium-based): CVE-2021-4059: Insufficient data validation in loader

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Dec 10, 2021
Added
Dec 13, 2021
Modified
Apr 20, 2026

Description

Microsoft Edge: CVE-2021-4059: Insufficient data validation in loader

Solution

microsoft-edge-upgrade-latest
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.