Microsoft fixes Smart App Control broken by October Windows update
Summary
Microsoft has released a fix for a problem that prevented some users from activating the Smart App Control security feature. This issue was introduced by the October 2026 KB5127648 Windows 11 security update.
IFF Assessment
FRIEND
This is good news for defenders as Microsoft has fixed a security feature that was not working correctly, enhancing the overall security posture for users.
Defender Context
This fix is important for defenders as it restores the functionality of a security feature designed to block untrusted applications. Users should ensure they install the latest updates to re-enable Smart App Control and maintain their system's security.