16 of Microsoft s updates tackled critical vulnerabilities, 38 are rated important and one low. A total of 20, could potentially lead to remote code execution. Microsoft has halted the deployment of patches for some AMD systems and other updates are incompatible with third-party antivirus software. On Monday Apple released iOS 11.2.2 software for iPhones, iPads and iPod touch models that patch for the Spectre vulnerabilities. The flaw does not allow some versions Microsoft Office or Mac to handle the encoding and display of email addresses properly.
Source: https://threatpost.com/microsoft-january-patch-tuesday-update-fixes-16-critical-bugs/129378/