It’s time to update Chrome — zero-day bug is being exploited in the wild by hackers

Chrome browser on laptop
(Image credit: Shutterstock)

Google has issued an emergency security update patch for Chrome in order to fix three security issues including one zero-day bug that has been actively exploited in the wild by hackers. This makes it the third active vulnerability to be patched via emergency update since the start of the year, with two others occurring in March and May.

As reported by Bleeping Computer, the latest flaw, tracked as CVE-2025-5419, is a high-severity vulnerability caused by an out-of-bounds read and write weakness in the V8 JavaScript and WebAssembly engines in Chrome.

It was initially reported on a week ago by members of Google’s Threat Analysis group; Google has confirmed that it is being exploited in the wild though the company is not sharing much additional information at the time as they are waiting until more users have had an opportunity to patch their browsers.

In the security advisory published on Monday, the company is quoted as stating: “Access to bug details and links may be kept restricted until a majority of users are updated with a fix. We will also retain restrictions if the bug exists in a third party library that other projects similarly depend on, but haven’t yet fixed.”

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Amber Bouman
Senior Editor Security

Amber Bouman is the senior security editor at Tom's Guide where she writes about antivirus software, home security, identity theft and more. She has long had an interest in personal security, both online and off, and also has an appreciation for martial arts and edged weapons. With over two decades of experience working in tech journalism, Amber has written for a number of publications including PC World, Maximum PC, Tech Hive, and Engadget covering everything from smartphones to smart breast pumps. 

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