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CVE-2026-58286

Microsoft Edge (Chromium-based) Spoofing vulnerability

Microsoft·Microsoft Edge (Chromium-based) Spoofing

MSRC advisory July 3, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-58286
Affected products
Microsoft Edge (Chromium-based) Spoofing · Microsoft Microsoft Edge (Chromium-based) Spoofing · Microsoft

What happened

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

What it means for your business

Microsoft Edge (Chromium-based) Spoofing vulnerability (CVE-2026-58286) was added to Microsoft’s security update guidance. Improper access control in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.

Sources

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