Google Chromium Mojo Sandbox Escape Vulnerability (CVE-2025-2783)
Severity: high · Patch status: unknown · Since 2025-03-27 · CVE-2025-2783
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. CISA added CVE-2025-2783 to its Known Exploited Vulnerabilities catalog on Mar 27, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Apr 17, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
