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AWS controltower documentation change

Service: controltower · 2026-03-25 · Documentation low

File: controltower/latest/userguide/managed-policies-table.md

Summary

Added an entry documenting an update to the AWSControlTowerAccountServiceRolePolicy managed policy, noting new permissions added for BatchDescribeTypeConfigurations API calls for internal service-linked hooks improvements.

Security assessment

This change documents an update to a managed IAM policy, which is security-related documentation. It explains new permissions added for internal improvements, but there's no evidence this addresses a security vulnerability or incident - it appears to be routine policy maintenance for service functionality.

Diff

diff --git a/controltower/latest/userguide/managed-policies-table.md b/controltower/latest/userguide/managed-policies-table.md
index 81b66c9c9..ed685ba05 100644
--- a//controltower/latest/userguide/managed-policies-table.md
+++ b//controltower/latest/userguide/managed-policies-table.md
@@ -10,0 +11 @@ Change | Description | Date
+[AWSControlTowerAccountServiceRolePolicy](./access-control-managing-permissions.html#account-service-role-policy) – Update to an existing policy |  AWS Control Tower added new permissions that allow AWS Control Tower to make calls to the AWS CloudFormation service API `BatchDescribeTypeConfigurations` for an internal improvement to service-linked hooks. | March 23, 2026