Security News > 2023 > June > Microsoft fixes Windows bug causing File Explorer freezes

Microsoft has addressed a known issue causing File Explorer on Windows 11 and Windows Server systems after viewing a file's effective access permissions.
The known issue impacts systems running the latest Windows releases, including Windows 11 21H2/22H2 and Windows Server 2022.
According to Microsoft, users will experience Explorer freezes after installing Windows updates released since May 9th, 2023.
Microsoft addressed it on Tuesday for Windows 11 22H2 users with the release of this month's optional cumulative update, and it will be made generally available to all affected Windows users with the release of July Patch Tuesday cumulative updates.
Two weeks ago, the company also addressed a Windows 11 bug triggering intermittent failures when saving and copying files on Windows 11 22H2 systems.
Microsoft fixes Windows 11 issue causing copying, saving failures.
News URL
Related news
- Microsoft: Windows CLFS zero-day exploited by ransomware gang (source)
- Microsoft fixes actively exploited Windows CLFS zero-day (CVE-2025-29824) (source)
- Microsoft fixes auth issues on Windows Server, Windows 11 24H2 (source)
- Microsoft Patches 125 Flaws Including Actively Exploited Windows CLFS Vulnerability (source)
- Microsoft: April 2025 updates break Windows Hello on some PCs (source)
- Microsoft: Windows CLFS Vulnerability Could Lead to ‘Widespread Deployment and Detonation of Ransomware’ (source)
- Microsoft: Windows 'inetpub' folder created by security fix, don’t delete (source)
- Microsoft starts final Windows Recall testing before rollout (source)
- Week in review: Microsoft patches exploited Windows CLFS 0-day, WinRAR MotW bypass flaw fixed (source)
- Microsoft: Windows Server 2025 restarts break connectivity on some DCs (source)