CVE-2026-86888

Apple OS Persistent Account Identifier Exposure

Published Sep 14, 2026 CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed

Description

A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. A local app may be able to read a persistent account identifier.

Analysis

Technical impact

ApermissionsissueinAppleoperatingsystemsallowsalocalapplicationtoreadapersistentaccountidentifier,revealinguserinformationthatshouldbeprotected.Theflawisbasedonsufficientauthorizationchecks,enablingtheapptoaccesedatabeyonditsintendedscope.Thevulnerabilityresultsintheinadvertentdisclosureofsensitivedatawithinthedevicelocalstorage.

Affected Systems

AppleiOS, iPadOS, macOS, tvOS, visionOS, and watchOS versions older than the fixed releases (iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7, tvOS 27, visionOS 27, or watchOS 27) are affected.

Risk and Exploitability

The vulnerability is exploitable locally by installing or running code with application privileges. The CVSS score is 3.3, indicating low severity. The EPSS score is less than 1%, indicating a very low probability of exploitation. The flaw is not listed in the CISA KEV catalog, further suggesting limited public exploitation. Local or in‑device execution is sufficient, but the practical risk remains moderate for users of unpatched systems.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Apple

iOS and iPadOS

affected

Version	Status	Constraints
`0`	affected	< 27

Apple

macOS

affected

Version	Status	Constraints
`0`	affected	< 26.7
`0`	affected	< 27

Apple

tvOS

affected

Version	Status	Constraints
`0`	affected	< 27

Apple

visionOS

affected

Version	Status	Constraints
`0`	affected	< 27

Apple

watchOS

affected

Version	Status	Constraints
`0`	affected	< 27

Configuration 1 [-]

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:visionos::::::::
	cpe:2.3:o:apple:watchos::::::::

No data.

Vendor Product Versions

Apple

Ios And Ipados

Version	Status	Scheme	Platform
`[0,27)`	affected	generic	—

Apple

Macos

Version	Status	Scheme	Platform
`[0,26.7)`	affected	generic	—
`[0,27)`	affected	generic	—

Apple

Tvos

Version	Status	Scheme	Platform
`[0,27)`	affected	generic	—

Apple

Visionos

Version	Status	Scheme	Platform
`[0,27)`	affected	generic	—

Apple

Watchos

Version	Status	Scheme	Platform
`[0,27)`	affected	generic	—

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

Update the device operating system to the latest available version (iOS 27, iPadOS 27, macOS Golden Gate 27 or later, macOS Tahoe 26.7 or later, tvOS 27, visionOS 27, watchOS 27).
Re‑install or obtain applications from trusted sources only, ensuring that they request minimal permissions.
Review application permissions in Settings to confirm no unnecessary access is granted to the persistent account identifier.

Generated by OpenCVE AI on September 20, 2026 at 22:10 UTC.

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.141% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149036
https://support.apple.com/en-us/149037
https://support.apple.com/en-us/149038
https://support.apple.com/en-us/149042

History

Sep 21, 2026 6:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Apple ipados Apple iphone Os
CPEs		cpe:2.3:o:apple:ipados:::::::: cpe:2.3:o:apple:iphone_os:::::::: cpe:2.3:o:apple:macos:::::::: cpe:2.3:o:apple:tvos:::::::: cpe:2.3:o:apple:visionos:::::::: cpe:2.3:o:apple:watchos::::::::
Vendors & Products		Apple ipados Apple iphone Os

Sep 20, 2026 10:30 PM Title updated View changes

Type	Values Removed	Values Added
Title		Apple OS Persistent Account Identifier Exposure

Sep 20, 2026 8:15 PM Title updated. Weaknesses updated View changes

Type	Values Removed	Values Added
Title	Local App Reads Persistent Account Identifier Due to Permissions Issue
Weaknesses	CWE-200

Sep 19, 2026 2:30 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-269

Sep 18, 2026 1:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Sep 17, 2026 4:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}`

Sep 15, 2026 9:15 AM Title updated. Weaknesses updated View changes

Type	Values Removed	Values Added
Title		Local App Reads Persistent Account Identifier Due to Permissions Issue
Weaknesses		CWE-200

Sep 15, 2026 3:30 AM First appearance in the feed. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Apple Apple ios And Ipados Apple macos Apple tvos Apple visionos Apple watchos
Vendors & Products		Apple Apple ios And Ipados Apple macos Apple tvos Apple visionos Apple watchos

Sep 14, 2026 9:00 PM Description updated. Added references View changes

Type	Values Removed	Values Added
Description		A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. A local app may be able to read a persistent account identifier.
References		https://support.apple.com/en-us/149034 https://support.apple.com/en-us/149035 https://support.apple.com/en-us/149036 https://support.apple.com/en-us/149037 https://support.apple.com/en-us/149038 https://support.apple.com/en-us/149042