Cyber Risks · Krebs on Security

Patch for Critical Windows Flaw Available

Summary: Microsoft released an emergency security update, KB2286198, for a critical flaw present in all supported versions of Windows, as virus writers began ramping up attacks that leverage the vulnerability. The flaw was initially used only in targeted attacks online but is now showing up in more mainstream attacks, and users who applied Microsoft's earlier FixIt workaround must undo it and reboot before installing the official patch.

What you should know: A flaw present in every supported version of Windows moved from targeted attacks to mainstream ones, and the emergency patch itself stalled Windows Explorer on the author's 64-bit Windows 7 system until a forced restart.

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Topics
Vulnerabilities & Patching
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