Apple macOS 26 (Tahoe) Security Technical Implementation Guide

The Apple macOS 26 (Tahoe) Security Technical Implementation Guide (V1 R4) has 160 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R4

CurrentPublished Wed Sep 30 2026

The macOS system must disable the iCloud Freeform services.

Apple macOS 26 (Tahoe) Security Technical Implementation Guide

Assessment Title

Rule Text

The macOS system must disable the iCloud Freeform services.

Description

Discussion Text

The macOS built-in Freeform.app connection to Apple's iCloud service must be disabled.

Enabling any service increases the attack surface for an intruder. By disabling unnecessary services, the attack surface is minimized.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-277141

Rule

SV-277141r1148875_rule

Severity

medium

Rule Version

APPL-26-002270

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Verify the macOS system is configured to disable iCloud Freeform services with the following command:

/usr/bin/osascript -l JavaScript << EOS
$.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess')\
.objectForKey('allowCloudFreeform').js
EOS

If the result is not "false", this is a finding.

Implementation Procedure

Fix Text

Configure the macOS system to disable iCloud Freeform services by installing the "com.apple.applicationaccess" configuration profile.

STIG check 114 of 160 in the Apple macOS 26 (Tahoe) STIG checklist

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