WhatsApp has rolled out a fix for a serious security issue in its messenger apps for Apple devices. If you’re using WhatsApp on an iPhone, iPad, or Mac, it’s strongly recommended that you update to the latest version right away.
The company warns that this messenger vulnerability (CVE-2025-55177) may have already been exploited, especially when combined with an iOS vulnerability (CVE-2025-43300).
Apple’s iOS Fix Is Already Live
Apple has already addressed its part of the problem by releasing iOS version 18.6.2 on August 20. If you haven’t updated your iPhone or iPad yet, now’s the time to do it.
Which Versions Are Affected
According to WhatsApp, the following versions are vulnerable:
- WhatsApp for iOS prior to 2.25.21.73
- WhatsApp Business for iOS prior to 2.25.21.78
- WhatsApp for Mac prior to 2.25.21.78
How to Check if You’re Protected
For iOS updates
Not sure if you’re on the secure iOS version? Here’s how to check:
- Go to Settings → General → Software Update
- If an update is available, download and install it.
For WhatsApp updates
To check your WhatsApp version on iPhone or iPad:
- Open WhatsApp
- Go to *Settings → Help
If you’re still on an old version, head to the App Store:
- Tap your profile picture (top right) or My Account
- Scroll down to see pending updates
- Tap Update next to WhatsApp, or simply hit Update All.
Pro Tip: Turn on Automatic Updates
To save yourself the trouble of manual updates in the future, enable automatic updates:
- Go to Settings → App Store
- Turn on automatic updates so your apps always stay up-to-date.
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