CVE-2024-38221 Microsoft Edge (Chromium-based) Spoofing Vulnerability

Medium 4.3 Published 19 Sep 2024 Updated 10 Aug 2026

Attackers can exploit a spoofing vulnerability in Microsoft Edge to mislead users, requiring a patch to mitigate the risk.

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-2024-38221?

CVE-2024-38221 is a medium-severity cross-site scripting vulnerability in Microsoft Edge Chromium, published on 19 Sep 2024. 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

Microsoft Edge (Chromium-based) Spoofing Vulnerability

Weakness: CWE-79

Which versions are affected by CVE-2024-38221?

It affects 1 product.

Products include Microsoft Edge Chromium.

How do I fix CVE-2024-38221?

No fix has been published for CVE-2024-38221 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-38221 being exploited?

There is no known exploitation of CVE-2024-38221 in the wild and no public exploit code.

All Microsoft Edge Chromium vulnerabilities

Sources

Also known as GHSA-qrvq-pfgp-2x62.