CVE-2026-0903 Security feature bypass in Chrome
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.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-0903, GHSA-743w-qrv8-633j, MINI-xwqc-xwvr-v82j.