Global alert for a critical vulnerability in Google Chrome: what you need to know and how to protect yourself

Last update: 02/07/2025

  • Google Chrome has patched a zero-day vulnerability (CVE-2025-6554) already actively exploited by cybercriminals, which allows attackers to take control of the browser simply by visiting a malicious website.
  • The flaw lies in Chrome's V8 JavaScript engine and affects Windows, macOS, and Linux users.
  • The security update is now available, and it's essential to install it as soon as possible to protect yourself.
  • Exploitation requires no user interaction; simply opening a compromised website can expose your data and system.

Security vulnerability in Chrome

Google Chrome has been the subject of a major security alert following the discovery of a particularly serious vulnerability that has jeopardized the security of millions of users around the world. Although Google has reacted quickly To tackle the problem, the exposure has been real and the Cybercriminals were already exploiting the flaw before the company even detected it. and publish a patch.

Vulnerability has been identified as CVE-2025-6554 and affects the V8 JavaScript engine, the component responsible for processing and executing web pages in Chrome. This bug falls under the category of "type confusion," which allows attackers to trick the browser into manipulating memory and executing arbitrary codeIn fact, just by accessing a malicious website, hackers could gain complete control of the browser and, in many cases, compromise the entire system.

Exclusive content - Click Here  How to verify the security of my WhatsApp account

Details of the failure and active threat

Chrome security flaw

The threat is neither theoretical nor remote: There are already confirmed cases of active exploitation of this network flaw. The vulnerability was reported on June 25 by Clément Lecigne, a member of Google's Threat Analysis Group (TAG), a team specializing in tracking sophisticated attacks and large-scale cybercrime operations, including those linked to digital espionage. In less than 24 hours, Google released an initial mitigation, but final protection only comes with the security update released to all users..

The risk is high because these types of errors do not require the user to perform specific actions: It is enough to visit a specially prepared page for the attack to take placeAs a result, personal data, passwords, stored files, and even access to the operating system—on Windows, macOS, and Linux—may be at risk.

Furthermore, Other browsers based on the same V8 engine, such as Microsoft Edge, Brave, Vivaldi or Opera, could also be affected.The warning and update recommendations extend to these programs to reduce the risk of exploitation.

Microsoft Patch Tuesday
Related article:
Microsoft June 2025 Security Update: 66 vulnerabilities and two zero-days resolved

How do you know if your browser is protected?

Microsoft blocks Chrome on Windows Microsoft Family Safety-4

Updating your browser is essential to protect yourself against this threat. Google has released secure versions: 138.0.7204.96 and .97 for Windows, 138.0.7204.92 and .93 for macOS, and 138.0.7204.96 for Linux.

Exclusive content - Click Here  Types of Computer Viruses

Checking the installed version is simple: go to the Chrome menu (top right corner), Go to "Help" and access "About Google Chrome". If the version is lower, The browser itself will offer you to update and, after restarting it, you will be protected..

It is also recommended that users of other browsers based on Chromium check if there are any updates available and apply the security patch as soon as possible to maintain protection.

Consequences of not updating

The danger of this failure is twofold: on the one hand, cybercriminals can steal confidential information or install malware without the user even realizing it. Moreover, this vulnerability is already part of active attack campaigns, which increases the risk of becoming a victim even when browsing seemingly secure websites if they have been compromised.

The risk comes not only from malicious pages created for that purpose, but Browsing with an outdated version can expose your equipment through malicious third-party extensions or applications. In addition to updating Chrome, it's recommended to review your installed extensions and remove any that aren't essential or come from untrustworthy sources.

Related article:
How to Update Chrome on PC

Importance of cybersecurity in browsers

Serious vulnerability in Chrome

This vulnerability represents This is the fourth time this year that Google has had to fix a zero-day flaw in Chrome.Although the company invests considerable resources in detecting, preventing, and addressing these risks, the speed with which new threats emerge and the sophistication of attacks make it crucial to stay up-to-date and take extreme precautions.

Exclusive content - Click Here  How do I download Kaspersky Internet Security for Mac?

Therefore, the best strategy is always keep your browser updated, be wary of suspicious extensions, and pay attention to security notifications. The constant evolution of threats requires a proactive approach and continuous vigilance to reduce risks.

This recent security vulnerability in Chrome has highlighted the importance of acting quickly and not neglecting updates. In just a few clicks, you can ensure the protection of your data and the integrity of your system against one of the most dangerous attacks detected in the world's most used browser.

Related article:
How to remove the old version of Chrome?