All vulnerabilities
CVE-2026-84508

This issue was addressed with improved validation of the caller's access. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7, visionOS 27. An app may be able to access

Apple iOS and iPadOSOperating systems
Open in ThreatlineRecord JSON
CVSS
5.5Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.11%Chance of exploitation activity in the next 30 days, higher than 1% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in27Also 26.7CVE List
Published20 Oct 2026Updated 20 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

This issue was addressed with improved validation of the caller's access. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7, visionOS 27. An app may be able to access protected user data.

Text from CVE List

Affected versions 4

  • iOS and iPadOSaffected: all versions before 27CVE List
  • macOSaffected: all versions before 26.7CVE List
  • macOSaffected: all versions before 27CVE List
  • visionOSaffected: all versions before 27CVE List

References 4