Privacy Issue in Apple Products Affecting User Identifier Handling
CVE-2026-84606

7.5HIGH

Key Information:

Vendor

Apple
Status
iOS And iPad OS
Mac OS
Visionos
Vendor
CVE Published:
14 September 2026

What is CVE-2026-84606?

A privacy issue has been identified that affects various Apple operating systems, where an app may potentially identify a user across reinstalls. This vulnerability has been addressed through improved handling of user identifiers, ensuring better privacy protection. Users are encouraged to update to the latest versions—iOS 27, iPadOS 27, macOS Golden Gate 27, and visionOS 27—to mitigate any associated risks.

Affected Version(s)

iOS and iPadOS 0 < 27

macOS 0 < 27

visionOS 0 < 27

References

https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149038

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.