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Microsoft fixes bug that broke Windows File History backup feature

September 24, 2026 · BleepingComputer · Severity: MEDIUM

Microsoft has fixed a known issue that breaks the built-in File History backup feature on some Windows systems after installing the September 2026 security updates.

Key Takeaways

  • According to BleepingComputer, this development highlights evolving cybersecurity challenges that security teams should monitor for potential organizational impact.
  • Security teams should review their exposure to this threat and implement appropriate defensive controls to protect their organization's infrastructure and data assets.
  • Regular monitoring of cybersecurity intelligence feeds and timely application of security updates remain fundamental defensive practices.
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