CVE-2026-86888
Apple iOS and macOS Persistent Account Identifier Information Disclosure
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.
INFO
Published Date :
Sept. 14, 2026, 9:17 p.m.
Last Modified :
Sept. 21, 2026, 6:02 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-86888
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | LOW | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update iOS to version 27.
- Update iPadOS to version 27.
- Update macOS Golden Gate to version 27.
- Update watchOS to version 27.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-86888.
| URL | Resource |
|---|---|
| https://support.apple.com/en-us/149034 | Vendor Advisory Release Notes |
| https://support.apple.com/en-us/149035 | Vendor Advisory Release Notes |
| https://support.apple.com/en-us/149036 | Vendor Advisory Release Notes |
| https://support.apple.com/en-us/149037 | Vendor Advisory Release Notes |
| https://support.apple.com/en-us/149038 | Vendor Advisory Release Notes |
| https://support.apple.com/en-us/149042 | Vendor Advisory Release Notes |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-86888 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-86888
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-86888 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-86888 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Sep. 21, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions up to (excluding) 26.7 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 27.0 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 27.0 *cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* versions up to (excluding) 27.0 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 27.0 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 27.0 Added Reference Type Apple Inc.: https://support.apple.com/en-us/149034 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/149035 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/149036 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/149037 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/149038 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/149042 Types: Release Notes, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 19, 2026
Action Type Old Value New Value Added CWE CWE-269 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 17, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Added SSVC {'id': 'CVE-2026-86888', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-17T15:09:20.491785Z'} -
New CVE Received by [email protected]
Sep. 14, 2026
Action Type Old Value New Value 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. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/86xxx/CVE-2026-86888.json">CVE-2026-86888</a> Added Reference https://support.apple.com/en-us/149034 Added Reference https://support.apple.com/en-us/149035 Added Reference https://support.apple.com/en-us/149036 Added Reference https://support.apple.com/en-us/149037 Added Reference https://support.apple.com/en-us/149038 Added Reference https://support.apple.com/en-us/149042