security rollback

About this tag
The security rollback tag on WindowsForum.com covers discussions about reverting Windows security updates to resolve system issues. A prominent example involves the December 2025 Windows 10 cumulative update (KB5071546), which introduced a permissions change that broke Microsoft Message Queuing (MSMQ). Administrators explored two mitigation paths: rolling back the LCU or applying a narrowly scoped NTFS ACL workaround. Each option carries distinct operational and security trade-offs, highlighting the careful balance between maintaining security posture and restoring functionality. The tag focuses on practical rollback strategies, known issues from updates, and the decision-making process for IT professionals managing Windows environments.
  1. MSMQ Breaks After December 2025 Windows 10 Update: Rollback and ACL Fixes

    Microsoft’s December cumulative update for Windows 10 (KB5071546) introduced a permissions change that breaks Microsoft Message Queuing (MSMQ) on multiple SKUs, leaving queues inactive and IIS‑hosted applications unable to write messages; Microsoft has acknowledged the issue and listed MSMQ as a...