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User.ReadBasic.AllMicrosoft Graph permission · Low risk

Allows the app to read a basic set of profile properties of other users in your organization without a signed-in user. Includes display name, first and last name, email address, open extensions, and photo.

Application permission

Low risk

Read all users' basic profiles. Allows the app to read a basic set of profile properties of other users in your organization without a signed-in user. Includes display name, first and last name, email address, open extensions, and photo.

ID97235f07-e226-4f63-ace3-39588e11d3a1
ConsentAlways needs admin consent
RiskBasic sign-in and profile information.

Delegated permission

Low risk

Read all users' basic profiles. Allows the app to read a basic set of profile properties of other users in your organization on behalf of the signed-in user. This includes display name, first and last name, email address and photo.

IDb340eb25-3456-403f-be2f-af7a0d370277
ConsentUsers can consent, if your consent settings allow it
RiskBasic sign-in and profile information.

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 "97235f07-e226-4f63-ace3-39588e11d3a1"

Ask for it when signing in

Delegated permissions act as the signed-in user, so the app can never do more than that user can.

powershell1 line
Connect-MgGraph -Scopes "User.ReadBasic.All"

Which apps already have it?

powershell6 lines
# Apps that hold User.ReadBasic.All 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 "97235f07-e226-4f63-ace3-39588e11d3a1" |
    Select-Object PrincipalDisplayName, PrincipalId, CreatedDateTime
powershell6 lines
# Apps with delegated consent for User.ReadBasic.All
Connect-MgGraph -Scopes "Application.Read.All", "Directory.Read.All"
$graph = Get-MgServicePrincipal -Filter "appId eq '00000003-0000-0000-c000-000000000000'"
Get-MgOauth2PermissionGrant -All |
    Where-Object { $_.ResourceId -eq $graph.Id -and ($_.Scope -split " ") -contains "User.ReadBasic.All" } |
    Select-Object ClientId, ConsentType, PrincipalId

Other User permissions

Check every app in your tenant → Permission explainer

Sources