CVE-2026-20637

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 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.

Affected Software

VendorProductVersion RangeStatus
AppleiOS and iPadOS0 < 18.7.7affected
AppleiOS and iPadOS0 < 26.3affected
ApplemacOS0 < 14.8.5affected
ApplemacOS0 < 15.7.5affected
ApplemacOS0 < 26.3affected
AppletvOS0 < 26.3affected
ApplevisionOS0 < 26.3affected
ApplewatchOS0 < 26.3affected

Weaknesses

  • An app may be able to cause unexpected system termination

ADP Enrichment

CISA ADP Vulnrichment

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

References