CVE-2025-2783 Google Chromium Mojo Sandbox Escape

Exploited in the wild High 8.3 Published Updated

A remote attacker can escape the browser sandbox on Windows via a malicious file due to an incorrect handle in Mojo.

Exploited in the wild
Since 27 Mar 2025
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-2783?

CVE-2025-2783 is a high-severity vulnerability in Google Chrome, published on 26 Mar 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

Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malicious file. (Chromium security severity: High)

Which versions are affected by CVE-2025-2783?

It affects 1 product.

Linux distribution packages (1)
opera openSUSE:Leap 15.6 NonFreeAll versions117.0.5408.163-lp156.2.32.1

Products include Google Chrome.

How do I fix CVE-2025-2783?

Upgrade to a fixed version. US federal agencies must fix it by 17 Apr 2025.

Is CVE-2025-2783 being exploited?

Yes. Attackers have exploited CVE-2025-2783 in the wild since at least 27 Mar 2025.

Public exploit code: 1 Exploit-DB entry and 5 proofs of concept on GitHub.

All Google Chrome vulnerabilities

Sources

Also known as GHSA-hfqm-jfc6-rh2f, openSUSE-SU-2025:0111-1.

Is CVE-2025-2783 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free