CVE-2025-53791 Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability

Medium 4.7 Published Updated

An attacker can bypass security features in Microsoft Edge via improper access control, requiring users to apply vendor patches.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-53791?

CVE-2025-53791 is a medium-severity vulnerability in Microsoft Edge Chromium, published on 5 Sep 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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

Weakness: CWE-284

Which versions are affected by CVE-2025-53791?

It affects 1 product.

Products include Microsoft Edge Chromium.

How do I fix CVE-2025-53791?

No fix has been published for CVE-2025-53791 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-53791 being exploited?

There is no known exploitation of CVE-2025-53791 in the wild and no public exploit code.

All Microsoft Edge Chromium vulnerabilities

Sources

Also known as GHSA-xmmg-3xcm-7hc7.

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