As hinted above, malicious hackers quickly try to figure out the vulnerabilities Microsoft discloses every month so that they can attack machines that haven't installed the patches yet. Four other flaws being fixed had been previously disclosed but not exploited two involving the optional 3D Viewer software, the other two involving the always troublesome Remote Desktop Protocol.Īs always, you'll want to install Microsoft security patches in a timely manner.
The other zero-day flaw being currently exploited has to do with Microsoft Exchange Server, software that companies running Microsoft email systems use. If you're using Microsoft Office 2019 or LTSC 2021 on a Mac, don't open any Excel files that come from sources you don't know, including links to Excel files posted online, until Microsoft pushes out a patch for Macs as well.
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How to protect yourself from this exploit CVE-2021-42296 is a Word RCE flaw and affects only enterprise versions of Office. presentation & free pdf convert to other files with Mac ios or PC windows 10. There seem to be two related flaws that have not yet been exploited in the wild, although now that the secret's out it may just be a matter of time.ĬVE-2021-40442 is an Excel remote code execution (RCE) flaw, and its patch is also not available for Microsoft Office 2019 for Mac and Microsoft Office LTSC for Mac 2021. WPS Office Online free open office suite, alternative to Microsoft / MS word. Regular consumer versions of Office 2021 for Mac or PC, released just last month, weren't listed as vulnerable by Microsoft's advisory. Its in the menu bar at the top of the screen. To access any of the Office apps on your Mac, click the desktop and click Go in the top menu bar, and then select Applications in the drop-down menu.
But the flaw has been patched in older Windows versions of Microsoft Office, including Office 2013, Office 2016, Office 2019, Office LTSC 2021 and Microsoft 365. You can open Microsoft Word, Excel, PowerPoint, or Outlook.
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