CVE-2026-20687

Summary

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.

Affected Software

VendorProductVersion RangeStatus
AppleiOS and iPadOS0 < 18.7.7affected
AppleiOS and iPadOS0 < 26.4affected
ApplemacOS0 < 15.7.5affected
ApplemacOS0 < 26.4affected
AppletvOS0 < 26.4affected
ApplewatchOS0 < 26.4affected

Weaknesses

  • An app may be able to cause unexpected system termination or write kernel memory

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References