Binance warned that malicious applications could access seed phrases and private keys on iPhone devices and advised updating to iOS 27.2.1.

Apple confirmed the release patches a vulnerability that allowed an app to retrieve confidential user data from affected iPhones directly.

Details of Binance warning

According to Binance, certain malicious apps could obtain seed phrases and private keys from wallets installed on iPhones without detection.

The company specifically mentioned wallets such as Trust Wallet, indicating the vulnerability could affect widely used custodial and noncustodial solutions.

Apple response and patch

Apple confirmed that the update closes a flaw that allowed an application to access confidential user information on impacted devices directly.

The company did not disclose exploit specifics but recommended installing iOS 27.2.1 to reduce exposure to the identified issue.

How to check and install the update

Users can check for the update by opening Settings, selecting General, and tapping Software Update to view and install available patches.

If an update is available, follow the on-screen prompts to download and install the package, and restart the device after completion.

Recommendations for wallet users

Owners of crypto wallets should avoid installing unverified apps and review permissions of existing applications on their devices to limit potential exposure.

Keeping both the operating system and wallet software current remains a primary measure against emerging threats targeting private keys and seed backups.

Security teams at exchanges and wallet developers continue monitoring exploit reports and coordinating fixes with platform vendors and device manufacturers.