U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Google Chromium Mojo flaw to its Known Exploited Vulnerabilities catalog.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Google Chromium Mojo sandbox escape vulnerability, tracked as CVE-2025-2783, to its Known Exploited Vulnerabilities (KEV) catalog.
This week Google has released out-of-band fixes to address a high-severity security vulnerability, tracked as CVE-2025-2783, in Chrome browser for Windows. The flaw was actively exploited in attacks targeting organizations in Russia.
The vulnerability is an incorrect handle provided in unspecified circumstances in Mojo on Windows. Kaspersky researchers Boris Larin (@oct0xor) and Igor Kuznetsov (@2igosha) reported the vulnerability on March 20, 2025.
Mojo is Google’s IPC library for Chromium-based browsers, managing sandboxed processes for secure communication. On Windows, it enhances Chrome’s security, but past vulnerabilities have enabled sandbox escapes and privilege escalation.
Google did not share details about the attacks that exploited this vulnerability or the identity of the threat actors behind them.
“Google is aware of reports that an exploit for CVE-2025-2783 exists in the wild.” reads the advisory published by Google. “The Stable channel has been updated to 134.0.6998.177/.178 for Windows which will roll out over the coming days/weeks. A full list of changes in this build is available in the Log.”
According to Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities, FCEB agencies have to address the identified vulnerabilities by the due date to protect their networks against attacks exploiting the flaws in the catalog.
Experts also recommend private organizations review the Catalog and address the vulnerabilities in their infrastructure.
CISA orders federal agencies to fix this vulnerability by April 17, 2025.
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