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Critical 9.8 CVSS Bug Discovered in Apple Devices

Critical 9.8 CVSS Bug Discovered in Apple Devices

First seen 3 Aug 2026, 22:49 UTC • •
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ThreatCluster AI
ThreatCluster •August 4, 2026 at 21:54 UTC
  • •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.

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.

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Updated 73d ago How this analysis works

Timeline

2026-07-27
CVE-2026-64744 published
Xint disclosed a critical kernel vulnerability affecting Apple devices, allowing unexpected system termination.
nvd.nist.gov
2026-08-03
Patches released for Apple devices
Apple released updates for iOS, iPadOS, and macOS to address the critical vulnerability and information leakage.
Xint

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Extracted Entities (8)

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