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National Security Agency Discovers Flaw in Microsoft Windows

  • Long-secret agency is scheduled to talk publicly later Tuesday
  • Despite flaw, Microsoft says there is no active cyber-attack
A logo sits on display outside the Microsoft Corp. pavilion at the Mobile World Congress in Barcelona.
Photographer: Simon Dawson/Bloomberg
Updated on

The National Security Agency announced that it had found a “critical vulnerability” in Microsoft Corp.’s Windows operating systems that could enable cyber intrusions.

The NSA recognized “the severity of the vulnerability” and disclosed it to Microsoft to expedite the process of fixing it, according to Anne Neuberger, the NSA’s director of cybersecurity, speaking to reporters on Tuesday. Microsoft released a patch the same day.