CVE-2025-2783: Google Chromium Mojo Sandbox Escape Vulnerability
CVE-2025-2783 · Severity: critical · CVSS 8.3 · Exploited in the wild · Published 2025-03-27
Google Chromium Mojo on Windows contains a sandbox escape vulnerability due to a logic error where an incorrect handle is provided under unspecified circumstances. A remote attacker can exploit this via a malicious file to escape the browser sandbox and execute code on the host system.
Yes. CVE-2025-2783 is known to be exploited in the wild, first recorded on 27 March 2025. Treat it as urgent.
How severe is CVE-2025-2783?
Critical severity, with a CVSS score of 8.3, published 27 March 2025.
Which products and versions are affected?
Google Chrome < 134.0.6998.177; Microsoft Edge; Opera Software Opera.
Is there a fix for CVE-2025-2783?
A patch was published on 2025-03-26: Fixed in Chrome version 134.0.6998.177 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2025-2783 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2025-2783?
Check whether you run Google Chromium Mojo. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Google Chrome < 134.0.6998.177
Microsoft Edge
Opera Software Opera
Timeline
2025-03-26: disclosed
2025-03-26: patched: Fixed in Chrome version 134.0.6998.177
2025-03-27: kev added: Added to CISA Known Exploited Vulnerabilities Catalog