STIGQter STIGQter: STIG Summary: Apple iOS/iPadOS 26 Security Technical Implementation Guide Version: 1 Release: 3 Benchmark Date: 13 May 2026:

Apple iOS/iPadOS 26 must disable the download of iOS/iPadOS beta updates.

DISA Rule

SV-278828r1150731_rule

Vulnerability Number

V-278828

Group Title

PP-MDF-993300

Rule Version

AIOS-26-015500

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Install a configuration profile to disable the installation of new configuration profiles. This will block the download and installation of beta iOS and iPadOS updates. This is a supervised-only control.

Configuration Profile Key: allowUIConfigurationProfileInstallation

Check Contents

This is a supervised-only control. If the iPhone or iPad being reviewed is not supervised by the MDM, this control is automatically a finding.

This check procedure is performed on both the device management tool and the iPhone and iPad.

Note: If an organization has multiple configuration profiles, the check procedure must be performed on the relevant configuration profiles applicable to the scope of the review.

In the iOS management tool, verify "Allow installing configuration profiles (supervised only)" is unchecked.

On the iPhone and iPad device:
1. Open the Settings app.
2. Tap "General".
3. Tap "VPN & Device Management".
4. Tap the Configuration Profile from the iOS management tool containing the restrictions policy.
5. Tap "Restrictions".
6. Verify "Installing configuration profiles not allowed" is listed.

If "Allow installing configuration profiles" is not disabled in the management tool or on the Apple device "Installing configuration profiles not allowed" is not listed, this is a finding.

Vulnerability Number

V-278828

Documentable

False

Rule Version

AIOS-26-015500

Severity Override Guidance

This is a supervised-only control. If the iPhone or iPad being reviewed is not supervised by the MDM, this control is automatically a finding.

This check procedure is performed on both the device management tool and the iPhone and iPad.

Note: If an organization has multiple configuration profiles, the check procedure must be performed on the relevant configuration profiles applicable to the scope of the review.

In the iOS management tool, verify "Allow installing configuration profiles (supervised only)" is unchecked.

On the iPhone and iPad device:
1. Open the Settings app.
2. Tap "General".
3. Tap "VPN & Device Management".
4. Tap the Configuration Profile from the iOS management tool containing the restrictions policy.
5. Tap "Restrictions".
6. Verify "Installing configuration profiles not allowed" is listed.

If "Allow installing configuration profiles" is not disabled in the management tool or on the Apple device "Installing configuration profiles not allowed" is not listed, this is a finding.

Check Content Reference

M

Target Key

5723