Spoofing attack in Microsoft Edge - CVE-2026-45488
Published: July 17, 2026
Vulnerability identifier: #VU138349
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-45488
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform spoofing.
The vulnerability exists due to user interface misrepresentation of critical information in Microsoft Edge (Chromium-based) when rendering attacker-controlled web content. A remote attacker can host a specially crafted website and convince a user to visit it to perform spoofing.
User interaction is required to click a specially crafted URL and may involve responding to a popup requesting additional input.
Affected software
Microsoft Edge
How to mitigate CVE-2026-45488
Install security update from vendor's website.
Microsoft Edge - update to 150.0.4078.48