All vulnerabilities
CVE-2025-2783

Google Chromium Mojo Sandbox Escape Vulnerability

Google Chromium MojoApplications & CMS
Open in ThreatlineRecord JSON
CVSS
8.3High
ExploitationExploited in the wildAdded to KEV 27 Mar 2025CISA KEV
Exploit odds (EPSS)9.24%Chance of exploitation activity in the next 30 days, higher than 95% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in134.0.6998.177Fixed versionCVE List
Federal deadline17 Apr 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 26 Mar 2025, 16:07 UTCPublishedCVE List
  2. 27 Mar 2025Added to CISA KEVCISA KEV
  3. 11 Aug 2025Exploit code publicExploit-DB

Public exploit code and templates 1

  • Webapps exploitMicrosoft Edge Renderer Process (Mojo IPC) 134.0.6998.177 - Sandbox Escape 11 Aug 2025Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Google Chromium Mojo on Windows contains a sandbox escape vulnerability caused by a logic error, which results from an incorrect handle being provided in unspecified circumstances. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Text from CVE List

Affected versions 1

  • Chromeaffected: 134.0.6998.177 before 134.0.6998.177CVE List

References 4