CVE-2026-86948

Published Oct 20, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
This issue was addressed by enforcing library validation on the affected binaries. This issue is fixed in Xcode 27. An app may be able to break out of its sandbox.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
References
History
Type Values Removed Values Added
Title Xcode 27 Potential Sandbox Escape via Unsigned Library Loading
Type Values Removed Values Added
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'}

ssvc

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

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Title Xcode 27 Potential Sandbox Escape via Unsigned Library Loading
Type Values Removed Values Added
Weaknesses CWE-284
CWE-693
Type Values Removed Values Added
Title Xcode 27 Library Validation Missing Leading to Sandbox Escape
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-829
CPEs cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*
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'}

Type Values Removed Values Added
Title Xcode 27 Library Validation Missing Leading to Sandbox Escape
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Apple
Apple xcode
Vendors & Products Apple
Apple xcode
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. An app may be able to break out of its sandbox.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 30, 2026, 8:00 PM
Reserved
Sep 8, 2026, 4:43 PM
Status
Modified
Published
Oct 20, 2026, 1:17 AM
Modified
Oct 30, 2026, 8:17 PM