CVE intelligence

CVE-2026-77490

Vulnerability intelligence

Published Sep 11, 2026Sources checked Sep 11, 2026

6.1MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2026-77490 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.

CISA KEVNot listedBased on the latest collected catalog

EPSSUnavailableNo current score collected

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-77490?

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.