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Microsoft releases Windows 10 KB5120249 extended security update

August 11, 2026 · BleepingComputer · Severity: MEDIUM

Microsoft has released Windows 10 KB5120249 Extended Security Updates for versions 22H2 and 21H2. The update fixes security vulnerabilities and bugs. It is part of the Extended Security Update program for older Windows 10 versions.

Key Takeaways

  • Microsoft released Windows 10 KB5120249 Extended Security Update for versions 22H2 and 21H2.
  • The update fixes security vulnerabilities and bugs in the operating system.
  • It is part of the Extended Security Update program for older versions.
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