HIGH Apple Inc. Vulnerability Alert

Product:

Keychain

Summary

The issue was addressed with improved input validation. A local attacker may be able to modify the state of the Keychain. This vulnerability affects multiple Apple operating systems including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS.

Details

Severity Base Score CVE
HIGH 7.5 CVE-2026-28860

Exploitation

To exploit this vulnerability, an attacker would need local access to the device. By leveraging the flaw in input validation, the attacker could potentially manipulate the Keychain state, leading to unauthorized access to sensitive information stored within it.

Affected Products

  • iOS 18.7.7
  • iPadOS 18.7.7
  • macOS Sequoia 15.7.5
  • macOS Sonoma 14.8.5
  • macOS Tahoe 26.4
  • tvOS 26.4
  • visionOS 26.4
  • watchOS 26.4

Mitigation

To mitigate this vulnerability, users should update their devices to the latest versions of the affected operating systems. Regularly applying security updates is crucial to protect against potential exploits.

References