Critical Vulnerability – Update Microsoft Outlook ASAP (March 2023)

Critical Vulnerability – Update Microsoft Outlook ASAP (March 2023)

We’ve recently been made aware of a critical vulnerability affecting Microsoft Outlook. The exploit if triggered upon the receipt of a malicious email, so is executed before the email is opened or interacted with in any way by the end user. In order to avoid any potential issues related to this exploit we recommend updating Outlook to the latest version available, which includes a fix for the vulnerability.

Customer Information

If you have our PEM (Proactive Essential Maintenance) survey then this will be actioned on your next scheduled visit, but we strongly recommend that you ask your team to apply the simple fix, detailed below.

How to update your Microsoft Outlook version

To apply the latest update to your Microsoft Outlook and your Microsoft Office package, you can simply follow these steps:

  • Open Microsoft Outlook (or any other office application).
  • Click “File” in the top left corner.
  • Click “Office Account” (1) on the left.
  • Click “Update Options” (2) then “Update Now” (3).

Outlook update steps

Phil Denham

Posted by Phil Denham

Phil Denham is Chief Marketing Officer (CMO) at The HBP Group, with nearly two decades of experience leading marketing strategy and business growth. He specialises in B2B marketing, commercial strategy, and the role of technology in driving performance.

Phil writes on how IT, software, and emerging technologies—including AI—help organisations improve efficiency, strengthen results, and scale effectively. He holds a BA (Hons) in Communications and an E-Marketing Award from the Chartered Institute of Marketing (CIM).

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