CVE-2026-0391 Microsoft Edge (Chromium-based) for Android Spoofing Vulnerability

Medium 6.5 Published Updated

An attacker can spoof critical UI information in Microsoft Edge for Android, misleading users about the true nature of displayed content.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-0391?

CVE-2026-0391 is a medium-severity vulnerability in Microsoft Edge Chromium, published on 5 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

User interface (ui) misrepresentation of critical information in Microsoft Edge for Android allows an unauthorized attacker to perform spoofing over a network.

Weakness: CWE-451

Which versions are affected by CVE-2026-0391?

It affects 1 product.

Products include Microsoft Edge Chromium.

How do I fix CVE-2026-0391?

No fix has been published for CVE-2026-0391 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-0391 being exploited?

There is no known exploitation of CVE-2026-0391 in the wild and no public exploit code.

All Microsoft Edge Chromium vulnerabilities

Sources

Also known as GHSA-m556-3vv4-6gm3.

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