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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-39877

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to disclose kernel memory.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apple iOS and iPadOS

  • 0 to < 18.7.10affected
  • 0 to < 26.5affected

Apple macOS

  • 0 to < 14.8.8affected
  • 0 to < 15.7.8affected
  • 0 to < 26.5affected

Apple tvOS

  • 0 to < 26.5affected

Apple visionOS

  • 0 to < 26.5affected

Apple watchOS

  • 0 to < 26.5affected

References