CVE-2026-58286: Microsoft Edge (Chromium-based) Spoofing Vulnerability

Published Jul 3, 2026
·
Updated

Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Other sources

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Microsoft

Affected Software

3 affected componentsFixes available
Microsoft Edge (Chromium-based)<150.0.4078.48
150.0.4078.48
Microsoft Edge<150.0.4078.48
Microsoft Edge Chromium<150.0.4078.48

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 150.0.4078.48

Event History

Jul 3, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software
CVE Published
via MITRE·08:35 PM
Data Sourced
via MITRE·08:35 PM
DescriptionSeverity
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-58286?

CVE-2026-58286 has a high severity rating of 8.1.

2

What does CVE-2026-58286 affect?

CVE-2026-58286 affects Microsoft Edge (Chromium-based) and related applications.

3

How can CVE-2026-58286 be exploited?

CVE-2026-58286 can be exploited by an unauthorized attacker to perform spoofing over a network.

4

How do I fix CVE-2026-58286?

To fix CVE-2026-58286, ensure that you update your Microsoft Edge (Chromium-based) to the latest version provided by Microsoft.

5

What is the impact of CVE-2026-58286?

CVE-2026-58286 can lead to unauthorized access and spoofing, compromising the integrity of network communications.

Contact

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