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Google Chrome Hit By 0-Day Vulnerability: Hackers Exploit Browser Security Flaw
By VELSICURO
06 November 2025
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Internasional

Google Chrome Hit By 0-Day Vulnerability: Hackers Exploit Browser Security Flaw

Introduction: Unforeseen Threat to the Favorite Browser

 

Google Chrome, the world's most popular web browser, is once again the target of sophisticated cyberattacks. Google recently issued an emergency update to address a critical Zero-Day vulnerability. This flaw was confirmed to have been actively exploited by hackers before Google had the chance to release a fix, underscoring the urgency of security updates for its billions of users worldwide.

 

What is a Zero-Day Vulnerability?

 

The term Zero-Day refers to a security hole (vulnerability) in software that is not yet known to its developers. Once this vulnerability is discovered by hackers and exploited to launch an attack (Zero-Day Exploit), the developers have "zero days" to respond—this is what makes it exceptionally dangerous.

In Chrome’s case, the recently patched vulnerability is CVE-2025-10585, a Type Confusion bug located in Chrome's V8 JavaScript engine. This type of vulnerability is often exploited to:

  1. Cause memory corruption.

  2. Escape the browser's sandbox protection.

  3. Execute malicious code (Remote Code Execution/RCE) on the victim's device with high privileges.

 

The Exploitation Modus Operandi

 

According to security reports, these attacks target users through highly focused schemes. Often, the attack begins when a victim:

  • Clicks a malicious link in a specially crafted phishing email.

  • Visits an infected website that serves the exploitation script.

This Zero-Day flaw allowed hackers to bypass Chrome's built-in security features without requiring any further user interaction beyond the initial click. The consequences can range from data theft and spyware installation to system takeover.

 

Mitigation Steps: The Importance of Immediate Updates

 

In response to this active attack, Google has released an emergency patch. Users are strongly urged to update their browser immediately.

How to Update Google Chrome:

  1. Open Google Chrome.

  2. Click the three vertical dots icon in the top right corner (Menu).

  3. Select Help > About Google Chrome.

  4. Chrome will automatically check for and install the latest version (e.g., 140.0.7339.185 or higher).

  5. Restart your browser to apply the security fix.

Zero-Day flaws like CVE-2025-10585 are a sobering reminder that cybersecurity is an unending race. User vigilance and timely software updates are the most effective first line of defense.

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