Microsoft Security Response CenterCVE-2026-58524

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

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5.4CVSS out of 10High severity

Scope

What the vendor says is affected

Microsoft Edge (Chromium-based)

Versions the vendor lists as fixed

150.0.4078.48

Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site

Timeline

When this advisory changed

Jul 3, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 28, 2026 at 11:20 AM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Sep 29, 2026 at 5:45 PM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-58524View CVSS, KEV, EPSS, and threat context

Source

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Vendor: Microsoft Security Response Center
Advisory ID: CVE-2026-58524
Last source check: Sep 29, 2026 at 5:45 PM UTC

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What the vendor says is affected

Versions the vendor lists as fixed

What the vendor recommends

When this advisory changed

CVEs named in this advisory

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