CVE-2026-58278: Microsoft Edge (Chromium-based) Spoofing Vulnerability

Published Jul 3, 2026
·
Updated

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Other sources

Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Microsoft

Affected Software

3 affected componentsFixes available
Microsoft Edge<150.0.4078.48
Microsoft Edge (Chromium-based)<150.0.4078.48
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-2026-58278?

The severity of CVE-2026-58278 is categorized as medium with a score of 5.4.

2

What kind of vulnerability is CVE-2026-58278?

CVE-2026-58278 is a spoofing vulnerability due to a server-side request forgery in Microsoft Edge (Chromium-based).

3

How does CVE-2026-58278 impact users?

CVE-2026-58278 allows an unauthorized attacker to perform spoofing over a network, potentially compromising user trust.

4

How do I fix CVE-2026-58278?

To address CVE-2026-58278, users should update Microsoft Edge to the latest version provided by Microsoft.

5

What software is affected by CVE-2026-58278?

CVE-2026-58278 affects Microsoft Edge and Microsoft Edge Chromium-based browsers.

Contact

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