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← cd ~/graph-permissions
// graph-permissions · Application

Application.ReadWrite.OwnedByMicrosoft Graph permission · Medium risk

Allows the app to create other applications, and fully manage those applications (read, update, update application secrets and delete), without a signed-in user. It cannot update any apps that it is not an owner of.

Application permission

Medium risk

Manage apps that this app creates or owns. Allows the app to create other applications, and fully manage those applications (read, update, update application secrets and delete), without a signed-in user. It cannot update any apps that it is not an owner of.

ID18a4783c-866b-4cc7-a460-3d5e5662c884
ConsentAlways needs admin consent
RiskCan make changes. Check the scope is as narrow as possible.

Grant it to an app

In the portal: App registrations › your app › API permissions › Add a permission › Microsoft Graph › Application permissions, then grant admin consent. Or with Graph PowerShell:

powershell5 lines
Connect-MgGraph -Scopes "Application.Read.All", "AppRoleAssignment.ReadWrite.All"
$graph = Get-MgServicePrincipal -Filter "appId eq '00000003-0000-0000-c000-000000000000'"
$app   = Get-MgServicePrincipal -Filter "appId eq '<your app's client id>'"
New-MgServicePrincipalAppRoleAssignment -ServicePrincipalId $app.Id `
    -PrincipalId $app.Id -ResourceId $graph.Id -AppRoleId "18a4783c-866b-4cc7-a460-3d5e5662c884"

Which apps already have it?

powershell6 lines
# Apps that hold Application.ReadWrite.OwnedBy as an application permission
Connect-MgGraph -Scopes "Application.Read.All"
$graph = Get-MgServicePrincipal -Filter "appId eq '00000003-0000-0000-c000-000000000000'"
Get-MgServicePrincipalAppRoleAssignedTo -ServicePrincipalId $graph.Id -All |
    Where-Object AppRoleId -eq "18a4783c-866b-4cc7-a460-3d5e5662c884" |
    Select-Object PrincipalDisplayName, PrincipalId, CreatedDateTime

Other Application permissions

Check every app in your tenant → Permission explainer

Sources