This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. A malicious app may be able to break out of its sandbox.
References
History

Wed, 21 Oct 2026 04:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


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

Type Values Removed Values Added
Title Xcode Library Validation Bypass Enables Sandbox Escape

Tue, 20 Oct 2026 18:45:00 +0000

Type Values Removed Values Added
Title Sandbox Escape via Unvalidated Libraries in Xcode
Weaknesses CWE-272

Tue, 20 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-829
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}


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

Type Values Removed Values Added
Title Sandbox Escape via Unvalidated Libraries in Xcode
Weaknesses CWE-272

Tue, 20 Oct 2026 04:15:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple xcode
Vendors & Products Apple
Apple xcode

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

Type Values Removed Values Added
Description This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. A malicious app may be able to break out of its sandbox.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-10-20T00:50:54.372Z

Updated: 2026-10-21T03:56:20.055Z

Reserved: 2026-09-08T16:43:41.881Z

Link: CVE-2026-86949

cve-icon Vulnrichment

Updated: 2026-10-20T13:13:38.514Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-10-20T01:17:28.370

Modified: 2026-10-21T04:18:11.647

Link: CVE-2026-86949

cve-icon Redhat

No data.