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Microsoft released the following security and nonsecurity updates for Office in May 2018. These updates are intended to help our customers keep their computers up-to-date. We recommend that you install all updates that apply to you.
To download an update, click the corresponding Knowledge Base article in the following list, and then go to the "How to download and install the update" section of the article.
| Product | Knowledge Base article title and number |
|---|---|
| Office Online Server | May 8, 2018, update for Office Online Server (KB4011025) |
| SharePoint Enterprise Server 2016 | May 8, 2018, update for SharePoint Enterprise Server 2016 (KB4018386) |
| SharePoint Enterprise Server 2016 | Description of the security update for SharePoint Enterprise Server 2016: May 8, 2018 (KB4018381) |
| Product | Knowledge Base article title and number |
|---|---|
| Office Web Apps Server 2013 | Description of the security update for Office Web Apps Server 2013: May 8, 2018 (KB4018393) |
| Project Server 2013 | May 8, 2018, cumulative update for Project Server 2013 (KB4018395) |
| Project Server 2013 | Description of the security update for Project Server 2013: May 8, 2018 (KB4022130) |
| SharePoint Enterprise Server 2013 | May 8, 2018, cumulative update for SharePoint Enterprise Server 2013 (KB4018397) |
| SharePoint Enterprise Server 2013 | Description of the security update for SharePoint Enterprise Server 2013: May 8, 2018 (KB4018390) |
| SharePoint Enterprise Server 2013 | Description of the security update for SharePoint Enterprise Server 2013: May 8, 2018 (KB4018388) |
| SharePoint Foundation 2013 | May 8, 2018, cumulative update for SharePoint Foundation 2013 (KB4018394) |
| SharePoint Foundation 2013 | Description of the security update for SharePoint Foundation 2013: May 8, 2018 (KB4018398) |
| Product | Knowledge Base article title and number |
|---|---|
| Project Server 2010 | May 8, 2018, cumulative update for Project Server 2010 (KB4022140) |
| Project Server 2010 | Description of the security update for Project Server 2010: May 8, 2018 (KB3114889) |
| SharePoint Server 2010 | May 8, 2018, cumulative update for SharePoint Server 2010 (KB4022143) |
| SharePoint Server 2010 | Description of the security update for SharePoint Server 2010: May 8, 2018 (KB4022145) |
| SharePoint Server 2010 | Description of the security update for SharePoint Server 2010: May 8, 2018 (KB4022135) |
| SharePoint Server 2010 | Description of the security update for SharePoint Server 2010 Office Web Apps: May 8, 2018 (KB4022142) |
| Product | Knowledge Base article title and number |
|---|---|
| Excel 2013 | Description of the security update for Excel 2013: May 8, 2018 (KB4018399) |
| InfoPath 2013 | Description of the security update for InfoPath 2013: May 8, 2018 (KB3162075) |
| Office 2013 | May 1, 2018, update for Office 2013 (KB4018389) |
| Office 2013 | Description of the security update for Office 2013: May 8, 2018 (KB4011253) |
| Office 2013 | Description of the security update for Office 2013: May 8, 2018 (KB4011254) |
| Office 2013 | Description of the security update for Office 2013: May 8, 2018 (KB3172436) |
| OneNote 2013 | May 1, 2018, update for OneNote 2013 (KB4011281) |
| Outlook 2013 | May 1, 2018, update for Outlook 2013 (KB4018376) |
| Project 2013 | May 1, 2018, update for Project 2013 (KB4018379) |
| Skype for Business 2015 (Lync 2013) | May 1, 2018, update for Skype for Business 2015 (Lync 2013) (KB4018377) |
| Word 2013 | Description of the security update for Word 2013: May 8, 2018 (KB4018396) |
| Product | Knowledge Base article title and number |
|---|---|
| Excel 2010 | Description of the security update for Excel 2010: May 8, 2018 (KB4022146) |
| Office 2010 | Description of the security update for Office 2010: May 8, 2018 (KB4011274) |
| Office 2010 | Description of the security update for Office 2010: May 8, 2018 (KB4011275) |
| Office 2010 | Description of the security update for Office 2010: May 8, 2018 (KB4022139) |
| Office 2010 | Description of the security update for Office 2010: May 8, 2018 (KB4022137) |
| Office 2010 | Description of the security update for Office 2010: May 8, 2018 (KB2899590) |
| Outlook 2010 | May 1, 2018, update for Outlook 2010 (KB4022144) |
| Word 2010 | Description of the security update for Word 2010: May 8, 2018 (KB4022141) |
| Product | Knowledge Base article title and number |
|---|---|
| Office Compatibility Pack | Description of the security update for Microsoft Office Compatibility Pack Service Pack 3: May 8, 2018 (KB4022150) |
| Office Viewers and Office Compatibility Pack | Description of the security update for Microsoft Office Viewers and Office Compatibility Pack: May 8, 2018 (KB4018308) |
Keywords: kb, kbexpertisebeginner, kbexpertiseinter