Cyber Security Update | A Critical Vulnerability in Microsoft Outlook for Windows

Microsoft has found a major problem with its Outlook email client for Windows

The issue is caused by an error in the software that could allow hackers to access your computer and take control. 

The issue affects versions of Outlook released in 2016 and onwards. Microsoft has released an update to fix this vulnerability and has rated it as "critical". 

Outlook for Windows is widely used for personal and professional communication. To avoid cyberattacks that can compromise your privacy, it's crucial to keep the software updated with the latest security patches.

The vulnerability only affects Outlook for Windows versions 2016, 2019, and 2022. It doesn't impact Outlook for Mac, iOS, Android, or on the web. Microsoft warns that it may be exploited soon because of its severity.

What should you do if you're using Outlook on a Windows computer

If you use Outlook for Windows, you should download and install the update as soon as possible to protect yourself. Microsoft believes it is only a matter of time before someone tries to exploit it. 

Here are the steps to review and apply the latest patch for Microsoft Outlook for Windows:

1. Launch Outlook on your computer.
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2. Click on the “File” tab in the top-left corner of the screen.
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3. Click on “Office Account” in the sidebar that opens.
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4. Under the “Office Updates” header, click “Update Options” and then click “Update Now”.
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5. Wait for Outlook to find and install the latest updates on your computer.

If you've been impacted or require assistance, please contact us. The Australian Cyber Security Centre (ACSC) is also monitoring the situation and is able to provide assistance and advice.

Remember to always be careful when opening emails from unknown sources, and don't click on any links or attachments that you don't trust.