CVE-2026-45494 Details
Description
Microsoft Edge (Chromium-based) Spoofing Vulnerability
A spoofing vulnerability has been identified in Microsoft Edge (Chromium-based) version before 148.0.3967.70. This vulnerability arises from the browser's tab-splitting feature, which only shows the domain prefix in the address bar instead of the full URL. This behavior can be exploited to create phishing attacks, making malicious websites appear legitimate by mimicking trusted domains.
Users are advised to update to the latest version of Microsoft Edge. The security update for this vulnerability can be downloaded from the Microsoft Edge Security Update page.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 19, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45494 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft edge chromium | < 148.0.3967.70 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 19, 2026 | Initial Analysis | [email protected] |
| May 18, 2026 | New CVE Received | [email protected] |