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In a recent move to strengthen the security of its popular web browser, Google has issued emergency updates to patch a severe vulnerability in Chrome, identified as CVE-2025-4664. This flaw could potentially allow hackers to take over user accounts remotely. Discovered by security researcher Vsevolod Kokorin (@slonser_), the vulnerability affects versions of Google Chrome prior to 136.0.7103.113. By exploiting this weakness, attackers could leak cross-origin data, which poses a significant risk to users’ personal information and overall security.
the Issue:
The CVE-2025-4664 vulnerability was found in the Chrome
Google confirmed the existence of a public exploit for this high-severity flaw. The company acted swiftly to patch the issue by releasing updates for the Stable Desktop channel. The fixes were rolled out in version 136.0.7103.113 for Windows/Linux and version 136.0.7103.114 for macOS.
This
While Google has not shared details about the identity of the attackers or the specifics of the CVE-2025-2783 exploit, the company did confirm that the flaw had been actively exploited in the wild. The latest fixes address both these vulnerabilities to ensure Chrome users are better protected from potential threats.
What Undercode Says:
The recent emergency updates by Google emphasize the rising importance of fast, adaptive security responses in the face of increasingly sophisticated cyberattacks. What we see here is not just an isolated incident but a reflection of a broader trend in browser security vulnerabilities. The constant evolution of attack methods is forcing tech giants like Google to adopt a proactive approach to patching flaws before they can be exploited.
The fact that both vulnerabilities, CVE-2025-4664 and CVE-2025-2783, were actively exploited in the wild highlights a disturbing reality: attackers are continuously searching for and capitalizing on even the smallest flaws in complex software systems. This pattern is not new. In fact, similar trends have been observed in previous years, with attackers often targeting specific platforms and software libraries like Mojo, which is crucial for Chrome’s sandboxing capabilities.
The use of crafted HTML pages to exploit cross-origin data leaks also reflects a deeper vulnerability in the core design of the browser. Cross-origin data is usually isolated for security reasons, but as these exploits show, if not adequately enforced, attackers can bypass these protections. This could pave the way for more refined attacks, making it essential for browsers and web services to rethink their security strategies.
As we look at Google’s swift responses—first with the March fix for CVE-2025-2783 and now with CVE-2025-4664—it’s clear that vulnerability management has become a race against time. With such high-severity issues, companies cannot afford to take chances. A lack of proactive security measures or delayed patching could lead to massive data breaches, potentially affecting millions of users. This will likely encourage other tech giants to enhance their own security protocols to keep pace with emerging threats.
For users, it’s vital to stay updated with the latest browser versions, as even minor updates can prevent potential account takeovers and data leaks. Given that Chrome is one of the most widely used browsers worldwide, the impact of these vulnerabilities could have far-reaching consequences if not addressed.
Fact-Checker Results:
✔️ CVE-2025-4664 Exploit Active: The flaw is publicly known, and exploits are actively circulating.
✔️ Cross-Origin Data Leak Risk: Remote attackers can leak sensitive data from different origins.
✔️ Swift Google Response: Google patched the issue with version 136.0.7103.113 for Windows/Linux and 136.0.7103.114 for macOS.
Prediction:
As cyber threats continue to evolve, the frequency of emergency security patches will likely increase. In the future, Chrome users may see more out-of-band updates, as the browser’s security architecture is continuously tested by sophisticated adversaries. It’s possible that this trend will push browser developers to adopt more advanced and dynamic security models, which could involve AI-driven threat detection and real-time patching. As the threat landscape grows more complex, the need for rapid, automated responses will become critical in maintaining user security.
References:
Reported By: securityaffairs.com
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