Google has issued an urgent security warning for users of its Chrome software, advising everyone to restart their browsers to safeguard against 74 vulnerabilities. One of these vulnerabilities, known as CVE-2026-11645, is classified as a zero-day flaw, making it particularly concerning as cybercriminals may already be exploiting it.
This zero-day vulnerability poses a significant risk as attackers could target devices before users have a chance to install a fix. Google has confirmed that CVE-2026-11645 is actively being exploited in the wild but has not disclosed specific details or the scale of potential impact until most Chrome users have updated their browsers.
To ensure protection, users should check their Chrome browser by accessing the menu and selecting “About Chrome” to verify the current version. If an update is available, Chrome will prompt a restart to complete the installation process.
Google has rolled out updates to the Stable Channel, including versions 149.0.7827.102/.103 for Windows and macOS, and version 149.0.7827.102 for Linux. The update distribution will continue in the following days and weeks.
Updating to the latest Chrome version is crucial for safeguarding devices and personal data against this newly identified security threat.