Critical 9.8 CVSS Bug Discovered in Apple Devices

Xint has identified a critical kernel vulnerability in Apple devices, rated 9.8 on the CVSS scale, that allows apps to cause unexpected system termination without user interaction. This vulnerability affects iOS, iPadOS, and macOS systems, with patches released in versions 26.6 for iOS and iPadOS, and 15.7.8 for macOS Sequoia and Sonoma. Additionally, an information leakage vulnerability was also addressed, which could allow apps to disclose kernel memory. The critical bug was published as CVE-2026-64744 on July 27, 2026. Users are advised to update their devices to mitigate these risks. The vulnerabilities were confirmed by Xint and have been patched in the latest software updates.

Key Points: • A critical kernel vulnerability (CVE-2026-64744) in Apple devices has a CVSS score of 9.8. • The vulnerability allows apps to terminate the system unexpectedly without user interaction. • Patches are available in the latest versions of iOS, iPadOS, and macOS.