CVE intelligence

CVE-2026-58524

Vulnerability intelligence

Published Jul 3, 2026Sources checked Sep 29, 2026

6.1MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2026-58524 and is rated Medium severity with a CVSS score of 6.1. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Release Notes

Vendor-listed releases

150.0.4078.48

CISA KEVNot listedBased on the latest collected catalog

EPSS0.4%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-58524?

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.