CVE-2026-0903 Security feature bypass in Chrome

Medium 5.4 Published Updated

Remote attackers can bypass dangerous file type protections in Google Chrome on Windows via malicious files, requiring users to upgrade to the latest version.

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-2026-0903?

CVE-2026-0903 is a medium-severity vulnerability in Google Chrome, published on 20 Jan 2026. 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

Inappropriate implementation in Downloads in Google Chrome on Windows prior to 144.0.7559.59 allowed a remote attacker to bypass dangerous file type protections via a malicious file. (Chromium security severity: Medium)

Weakness: CWE-20

Which versions are affected by CVE-2026-0903?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-0903?

Upgrade to a fixed version.

Is CVE-2026-0903 being exploited?

There is no known exploitation of CVE-2026-0903 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-0903, GHSA-743w-qrv8-633j, MINI-xwqc-xwvr-v82j.

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