Google’s October 6 Chrome desktop update includes critical security fixes
Google announced a Chrome desktop stable update with security fixes, including critical-rated vulnerabilities, for Windows, Mac and Linux.
What the record says
Google’s October 6 release notice lists Chrome 155.0.8059.39/.40 for Windows and Mac and 155.0.8059.39 for Linux, rolling out over the following days or weeks. Its security list includes critical-rated issues. Desktop Chrome users should check their browser’s built-in update status and apply the latest available stable version.
Source details and supporting locations.
Practical next step
Use Chrome’s built-in update controls and relaunch when prompted. Managed work or school devices may need their administrator’s update process.
Limits and what is not established
The release notice does not establish that these vulnerabilities are being actively exploited. Versions and rollout availability vary; verify the latest official release before relying on the information.
Sources checked October 9, 2026. Later notices may change instructions or arrangements.
Original sources
Google Chrome team: original information