Exposed dangerous method or function in Microsoft Edge - CVE-2026-45489
Published: July 17, 2026
Vulnerability identifier: #VU138373
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-45489
CWE-ID: CWE-749
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to exposed dangerous method or function in Microsoft Edge (Chromium-based) when handling a specially crafted URL. A remote attacker can convince a user to click a specially crafted URL to disclose sensitive information.
User interaction is required to click a specially crafted URL.
Affected software
Microsoft Edge
How to mitigate CVE-2026-45489
Install security update from vendor's website.
Microsoft Edge - update to 150.0.4078.48