CVE-2025-13721 Race condition in Chrome

High 7.5 Published Updated

A race condition in V8 allows remote attackers to exploit heap corruption via a crafted HTML page, potentially leading to code execution.

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
Available

What is CVE-2025-13721?

CVE-2025-13721 is a high-severity vulnerability in Google Chrome, published on 2 Dec 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

Race in v8 in Google Chrome prior to 143.0.7499.41 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-362

Which versions are affected by CVE-2025-13721?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2025-13721?

Upgrade to a fixed version.

Is CVE-2025-13721 being exploited?

There is no known exploitation of CVE-2025-13721 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as AZL-71308, DEBIAN-CVE-2025-13721, GHSA-72mf-gf7v-562w.

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