CVE-2026-86876

Summary

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, watchOS 27. A sandboxed process may be able to circumvent sandbox restrictions.

Affected Software

VendorProductVersion RangeStatus
AppleiOS and iPadOS0 < 26.7affected
AppleiOS and iPadOS0 < 27affected
ApplemacOS0 < 15.8affected
ApplemacOS0 < 26.7affected
ApplemacOS0 < 27affected
ApplevisionOS0 < 27affected
ApplewatchOS0 < 27affected

Weaknesses

  • A sandboxed process may be able to circumvent sandbox restrictions

ADP Enrichment

CISA ADP Vulnrichment

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

References