CVE-2026-86966 Details
Description
This issue was addressed with improved handling of symlinks. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27. An app may be able to modify protected parts of the file system.
A vulnerability exists in multiple Apple products, including iOS, iPadOS, macOS, and visionOS, all through version 27, that allows apps to modify protected areas of the file system. This issue arises from improper handling of symbolic links, which can be exploited to access or alter restricted files.
Users can update to iOS 26.7.2, iPadOS 26.7.2, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, or visionOS 27 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Nov 3, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/149034 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149035 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149038 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149227 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149522 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149523 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-59 | Improper Link Resolution Before File Access ('Link Following') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple ipados | < 26.7.2 |
CPE
Remediation
| |
| apple iphone os | < 26.7.2 |
CPE
Remediation
| |
| apple macos | >= 15.0, < 15.8.2 >= 26.0, < 26.7.2 |
CPE
Remediation
| |
| apple visionos | < 27.0 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 4, 2026 | Initial Analysis | [email protected] |
| Nov 3, 2026 | CVE Modified | CISA-ADP |
| Oct 26, 2026 | New CVE Received | [email protected] |