All vulnerabilities
CVE-2026-86942

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26

Apple iOS and iPadOSOperating systems
Open in ThreatlineRecord JSON
CVSS
NoneNot scored
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed in26.7.2Also 27, 15.8.2CVE List
Published26 Oct 2026Updated 26 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27. An app may be able to cause a denial-of-service.

Text from CVE List

Affected versions 6

  • iOS and iPadOSaffected: all versions before 26.7.2CVE List
  • iOS and iPadOSaffected: all versions before 27CVE List
  • macOSaffected: all versions before 15.8.2CVE List
  • macOSaffected: all versions before 26.7.2CVE List
  • macOSaffected: all versions before 27CVE List
  • visionOSaffected: all versions before 27CVE List

References 6