Google released a Stable Channel Update for Desktop to fix CVE-2025-2783, a critical Chrome zero-day affecting Windows that allows a sandbox escape through a logical error at the browser and operating system interface. The flaw is in Chrome's Mojo component, carries a CVSS 9.8 rating, and affects versions earlier than 134.0.6998.177.
Security researchers at Kaspersky, Boris Larin and Igor Kuznetsov, discovered the vulnerability, and CSIRT.SK reported that it was being actively exploited in attacks targeting Russian companies. Users were urged to update Chrome immediately to versions 134.0.6998.177 or 134.0.6998.178, and organizations using other Chromium-based browsers were advised to apply corresponding vendor patches as they become available.

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2 events from the most recent confirmed update back to the earliest known activity.
CSIRT.SK reported that CVE-2025-2783 was being actively exploited in attacks targeting Russian companies. The advisory also credited Kaspersky researchers Boris Larin and Igor Kuznetsov with discovering the vulnerability and urged users to update Chrome and other Chromium-based browsers.
Google announced a Stable Channel Update for Desktop Chrome, releasing version 134.0.6998.177/.178 for Windows to address CVE-2025-2783. The flaw is a critical sandbox escape in the Mojo component caused by a logical error at the browser and operating system interface.
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