On November 10, 2026, Binance issued a security advisory warning of a critical iOS vulnerability dubbed worse_query that could allow malicious apps to read local files belonging to other applications. It affects iOS versions 26.7.1, 27.0.1, and 27.2, covering both affected iPhones and iPads. Seed phrases, private keys, and credentials stored on these devices could be compromised, with the risk extending beyond Binance customers. Apple released iOS 27.2.1 and iOS 26.7.3 on November 9 but did not explicitly confirm in its security notes that the flaw had been fixed. Binance recommends removing untrusted apps, installing updates only through official Apple channels, and creating a new wallet if compromise is suspected; no wallet theft linked to the vulnerability has been confirmed.
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