A permissions issue was addressed with improved validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. A local attacker may be able to overwrite restricted files.
History

Tue, 20 Oct 2026 20:00:00 +0000

Type Values Removed Values Added
Title Local File Overwrite Vulnerability Due to Improper Permissions Validation

Tue, 20 Oct 2026 18:15:00 +0000

Type Values Removed Values Added
Title Local File Overwrite via Permissions Issue on Apple Operating Systems
Weaknesses CWE-284

Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Title Local File Overwrite via Permissions Issue on Apple Operating Systems
Weaknesses CWE-269
CWE-284
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 20 Oct 2026 04:45:00 +0000

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

Tue, 20 Oct 2026 01:15:00 +0000

Type Values Removed Values Added
Description A permissions issue was addressed with improved validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. A local attacker may be able to overwrite restricted files.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-10-20T00:50:51.993Z

Updated: 2026-10-26T20:37:13.201Z

Reserved: 2026-09-08T16:43:41.877Z

Link: CVE-2026-86921

cve-icon Vulnrichment

Updated: 2026-10-20T10:36:23.525Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T01:17:27.493

Modified: 2026-10-20T15:03:59.857

Link: CVE-2026-86921

cve-icon Redhat

No data.