MEDIUMVulnerability
Global

Microsoft fixes KB5089549 Windows security update install issues

·Source: BleepingComputer

Updated:

Executive Summary

Microsoft has resolved a known issue causing installation failures and 0x800f0922 errors when deploying the May 2026 Windows 11 security update (KB5089549). [...]

Analysis

Microsoft has resolved a known issue causing installation failures and 0x800f0922 errors when deploying the May 2026 Windows 11 security update (KB5089549). [...]
Source Attribution

Originally published by BleepingComputer on Jun 1, 2026.

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