Microsoft says hackers are attacking Windows users with a new unpatched bug

Microsoft says hackers are attacking Windows users with a new unpatched bug

by Zack Whittaker, TechCrunch

Microsoft  says attackers are exploiting a previously undisclosed security vulnerability found in all supported versions of Windows, including Windows 10.

But the software giant said there is currently no patch for the vulnerability.

The security flaw, which Microsoft deems “critical” — its highest severity rating — is found in how Windows handles and renders fonts, according to the advisory posted Monday. The bug can be exploited by tricking a victim into opening a malicious document. Once the document is opened — or viewed in Windows Preview — an attacker can remotely run malware, such as ransomware, on a vulnerable device.

The advisory said that Microsoft was aware of hackers launching “limited, targeted attacks,” but did not say who was launching the attacks or at what scale.

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