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Samsung Patches Zero-Day Security Flaw Used to Hack Into Its Customers’ Phones

Samsung has confirmed it patched a zero-day security flaw used to hack into its customers’ phones, raising serious concerns for millions of users. The vulnerability, already exploited in the wild, allowed hackers to remotely plant malicious code on Samsung devices.

Image Credits:Samsung

What Happened?

The flaw was found in a software library responsible for displaying images on Samsung devices. Attackers could leverage it to gain access and execute harmful code on phones running Android 13 through Android 16.

Samsung revealed that security teams from Meta and WhatsApp privately reported the issue on August 13. At the time, the exploit was already active, making this a classic zero-day scenario—where the company had no time to patch before the attacks began.

How Many Devices Are at Risk?

Samsung has not disclosed which models are directly affected. Without a confirmed device list, millions of users across its Galaxy lineup may be vulnerable. The company also declined to share how many customers were targeted.

Why This Zero-Day Matters

Zero-day vulnerabilities are especially dangerous because attackers exploit them before a fix exists. In this case, hackers gained a powerful entry point into Samsung phones, potentially exposing sensitive personal data, communications, and app activity.

Samsung’s Response

While Samsung didn’t comment on who is behind the attacks, the company pushed out urgent security updates to patch the flaw. Customers are strongly advised to update their devices immediately.

The timing of Samsung’s fix aligns with a wave of security patches rolling out across the Android ecosystem, signaling a broader response to escalating threats.

What You Should Do

• Update immediately: Check for the latest security updates in your phone’s settings.

• Be cautious with downloads: Avoid installing apps or opening files from untrusted sources.

• Stay informed: Watch for further advisories from Samsung and security researchers.

With cyberattacks growing more sophisticated, Samsung users should take this latest warning seriously. Although the company has acted quickly, the fact that a zero-day security flaw was used to hack into its customers’ phones highlights the ongoing risks in today’s digital world.