Microsoft patches Windows 10 security flaw discovered by the NSA

Microsoft is patching a serious flaw in various versions of Windows today after the National Security Agency (NSA) discovered and reported a security vulnerability in Microsoft’s handling of certificate and cryptographic messaging functions in Windows. The flaw, which hasn’t been marked critical by Microsoft, could allow attackers to spoof the digital signature tied to pieces of software, allowing unsigned and malicious code to masquerade as legitimate software.

The bug is a problem for environments that rely on digital certificates to validate the software that machines run, a potentially far-reaching security issue if left unpatched. The NSA reported the flaw to Microsoft recently, and it’s recommending that enterprises patch it...

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