Windows 11 KB5070311 update fixes File Explorer freezes, search issues

BleepingComputer

December 2, 2025 at 11:19 AM

Overview

The KB5070311 update for Windows 11 addresses critical issues such as File Explorer freezes and search problems, enhancing overall system stability and performance. This update includes 49 changes aimed at improving user experience and resolving known bugs.

Key Takeaways

Affected Systems: Windows 11 systems
Action Required: Install the KB5070311 preview cumulative update for Windows 11.
Timeline: Disclosed on [release date of the update]

Original Article Summary

Microsoft has released the KB5070311 preview cumulative update for Windows 11 systems, which includes 49 changes, including fixes for File Explorer freezes and search issues. [...]

Impact

Windows 11 systems

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Disclosed on [release date of the update]

Remediation

Install the KB5070311 preview cumulative update for Windows 11.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Windows, Microsoft, Update, and 1 more.

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