CVE-2026-28866
Apple iOS/PadOS Symlink Validation Vulnerability (Data Access)
Description
This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data.
INFO
Published Date :
March 25, 2026, 1:17 a.m.
Last Modified :
March 25, 2026, 9:30 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-28866
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 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update iOS to 18.7.7 or later.
- Update iPadOS to 18.7.7 or later.
- Update macOS to latest available version.
Public PoC/Exploit Available at Github
CVE-2026-28866 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2026-28866.
| URL | Resource |
|---|---|
| https://support.apple.com/en-us/126792 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/126793 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/126794 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/126795 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/126796 | Release Notes Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-28866 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-2026-28866
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).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-28866 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-28866 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]
Mar. 25, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 14.0 up to (excluding) 14.8.5 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 15.0 up to (excluding) 15.7.5 *cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* versions from (including) 26.0 up to (excluding) 26.4 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions up to (excluding) 18.7.7 *cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* versions from (including) 26.0 up to (excluding) 26.4 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 18.7.7 *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions from (including) 26.0 up to (excluding) 26.4 Added Reference Type Apple Inc.: https://support.apple.com/en-us/126792 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/126793 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/126794 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/126795 Types: Release Notes, Vendor Advisory Added Reference Type Apple Inc.: https://support.apple.com/en-us/126796 Types: Release Notes, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 25, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-59 -
New CVE Received by [email protected]
Mar. 25, 2026
Action Type Old Value New Value Added Description This issue was addressed with improved validation of symlinks. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data. Added Reference https://support.apple.com/en-us/126792 Added Reference https://support.apple.com/en-us/126793 Added Reference https://support.apple.com/en-us/126794 Added Reference https://support.apple.com/en-us/126795 Added Reference https://support.apple.com/en-us/126796