Summary
Impact: Spoofing. Microsoft rating: Moderate. Not known to be exploited — Exploitation Unlikely. Customer action: Required.
Details
According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
The user would have to click on a specially crafted URL to be compromised by the attacker.
What is the version information for this release?
150.0.4078.48: 150.0.4078.48, 07/03/2026: 07/03/2026, 150.0.7871.47: 150.0.7871.47
Security updates
150.0.4078.48 — https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security
Vulnerabilities 1
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Medium 6.5
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Exposed dangerous method or function in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Revision history
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#2
CWE added. Informational change only.
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#1
Information published.
References
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CVE-2026-45489 Microsoft Edge (Chromium-based) Spoofing Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45489
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss