CVE-2023-21775 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

High 8.3 Published 23 Jan 2023 Updated 1 Jan 2025

Attackers can execute arbitrary code remotely via Microsoft Edge, requiring users to apply vendor patches immediately.

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-2023-21775?

CVE-2023-21775 is a high-severity code injection vulnerability in Microsoft Edge Chromium, published on 23 Jan 2023. 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) Remote Code Execution Vulnerability

Which versions are affected by CVE-2023-21775?

It affects 1 product.

Products include Microsoft Edge Chromium.

How do I fix CVE-2023-21775?

No fix has been published for CVE-2023-21775 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-21775 being exploited?

There is no known exploitation of CVE-2023-21775 in the wild and no public exploit code.

All Microsoft Edge Chromium vulnerabilities

Sources

Also known as GHSA-jg35-qfcc-j9gj.