Outlook 2016 (MSI) Security Update for December 2023

News

A Security Update has been released for Outlook 2016. It resolves the following vulnerability;

  • CVE-2023-35636: Microsoft Outlook Information Disclosure Vulnerability
    • This vulnerability is currently not publicly disclosed nor exploited.
    • Exploitation of the vulnerability requires that a user open a specially crafted file.
    • The Preview Pane is not an attack vector.
    • The Exploitability Assessment is rated: Exploitation Less Likely.

View: Download information for KB5002529

Note: This update can be installed via Microsoft Update and updates Outlook to version 16.0.4978.1000. This update does not apply to Perpetual (Retail) and Microsoft 365 based installations of Office 2016.


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Outlook for Microsoft 365 Apps Feature Update for November 2023

News

Microsoft has released the November 2023 feature update of Outlook for Microsoft 365 Apps in the Current Channel.

This time there are 5 documented fixes for Outlook and 2 related to Outlook.

  • We fixed an issue where Outlook would close unexpectedly when a user clicked “Cancel” in the Wait on Send dialog if the message had attachments.
  • We fixed an issue where Mail Tips were not showing for attachments.
  • We fixed an issue where the list of invalid recipients was showing duplicates.
  • We fixed an issue that caused Outlook to exit unexpectedly when opening embedded mail attachments in another application.
  • We fixed an issue where the scrollbar didn’t render in the Contact Card View.
  • We fixed an issue where attendees were not added automatically from the Meeting Details when using the Email Page functionality. (OneNote)
  • We fixed an issue where setting Breaks to Continuous changed to Page after a Mail Merge. (Word)

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook or the Microsoft Store and updates Outlook to: Version 2311 (Build 17029.20068).


Outlook 365 / 2021 / 2019 / 2016 Update for November 2023

News

The November security and rollup update has been made available for all Click-to-Run installations of Outlook 2016, Outlook 2019, Outlook 2021 and Outlook as part of a Microsoft 365 subscription.

It contains 4 security updates for Excel (2) and Office (2).

In addition, it contains 4 non-security fixes related to Outlook Current Channel Version 2310, 1 new feature and 5 fixes related to Outlook Monthly Enterprise Version 2309, 4 fixes related to Outlook Monthly Enterprise Version 2308, 4 fixes related to Outlook Semi-Annual (Preview) Version 2308, 1 fix related to Outlook Semi-Annual Version 2302, and 1 fix related to Outlook Semi-Annual Version 2208.

  • Version 2310
    • We fixed an issue that caused Outlook to fail to comply with the default browser settings for some users.
    • We fixed an issue that caused the labels from protected PDF files to not be applied to the email that they were attached to.
    • We fixed an issue where new lines were added to an Outlook signature when pressing Enter in the body of the email.
    • We fixed an issue that caused Outlook to exit unexpectedly when clicking the “More” link in the Search results list.
  • Version 2309
    • Updated encryption for Microsoft Purview Information Protection
      Advanced Encryption Standard (AES) with 256-bit key length in Cipher Block Chaining mode (AES256-CBC) is now the default Microsoft Purview Information Protection encryption mechanism for Microsoft 365 Apps documents and emails.
    • We fixed an issue that caused a meeting update to be sent to all attendees when clicking on “cancel” in the “Send Update to Attendees” dialog.
    • We fixed an issue that caused Outlook to exit unexpectedly after clicking “Cancel” on the Wait on Send dialog.
    • We fixed an issue that caused Outlook to exit unexpectedly when searching a shared or delegated mailbox.
    • We fixed an issue where the setting to control how Outlook opens previous items at start-up was missing from the Options window.
    • We fixed an issue where Microsoft account users were missing their Outlook Add-ins.
  • Version 2308
    • We fixed an issue that caused a meeting update to be sent to all attendees when clicking on “cancel” in the “Send Update to Attendees” dialog.
    • We fixed an issue that caused sensitivity labels to display incorrectly when they contain non-ASCII characters.
    • We fixed an issue that caused Outlook to exit unexpectedly after clicking “Cancel” on the Wait on Send dialog when attachments are present.
    • We fixed an issue that caused the labels from protected PDF files to fail to be applied to the email that they were attached to.
  • Version 2302
    • We fixed an issue that caused Outlook to exit unexpectedly after clicking “Cancel” on the Wait on Send dialog when attachments are present.
  • Version 2208
    • We fixed an issue that caused the body of meeting requests to sometimes be truncated or blank after applying the August 2023 security update.

Based on your release channel, you’ll be updated to the following version;

  • Microsoft 365 Apps, Outlook 2016 Retail, Outlook 2019 Retail, Outlook 2021 Retail
    Version 2310 (Build 16924.20150)
  • Monthly Enterprise
    Version 2309 (Build 16827.20278)
    Version 2308 (Build 16731.20398)
  • Semi-Annual Enterprise (Preview)
    Version 2308 (Build 16731.20398)
  • Semi-Annual Enterprise
    Version 2302 (Build 16130.20846)
    Version 2208 (Build 15601.20816) 
  • Outlook LTSC 2021
    Version 2108 (Build 14332.20604)
  • Outlook 2019 Volume Licensed
    Version 1808 (Build 10404.20013)

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook itself or the Microsoft Store. This update does not apply to msi-based installations of Office 2016.


Exchange 2019 and 2016 Security Updates for November 2023

News

Security updates have been released for Exchange 2016 and Exchange 2019.

The updates fix the following vulnerabilities;

None of the vulnerabilities are currently publicly disclosed nor exploited. However, they are all rated as “Exploitation More Likely”, so make sure you update as soon as possible!

The updates also contain the following new feature and non-security issues;

View: Exchange Blog: Released: November 2023 Exchange Server Security Updates
View: Description of the security update for Microsoft Exchange Server 2019 and 2016: November 14, 2023 (KB5032146)
View: Description of the security update for Microsoft Exchange Server 2016: November 14, 2023 (KB5032147)

Download: Security Update V2 for Exchange 2019 CU12 and CU13
Download: Security Update V2 for Exchange 2016 CU23.


Outlook 2016 (MSI) Update for November 2023

News

A Cumulative Update has been released for Outlook 2016. It resolves the following issue;

View: Download information for KB5002523

Note: This update can be installed via Microsoft Update and updates Outlook to version 16.0.5422.1000. This update does not apply to Perpetual (Retail) and Microsoft 365 based installations of Office 2016.


Outlook 2013 Update for November 2023

News

A Cumulative Update has been released for Outlook 2013. It resolves the following issue;

View: Download information for KB5002514

Note: This update can be installed via Microsoft Update or the Update Now button when you are using Office 2013 Click-To-Run and updates Outlook to version 15.0.5603.1000.


Outlook for Microsoft 365 Apps Feature Update for October 2023

News

Microsoft has released the October 2023 feature update of Outlook for Microsoft 365 Apps in the Current Channel.

This time there are 1 new feature and 6 documented fixes.

  • Teams Meeting Apps now work in Outlook too
    Now, you can configure a meeting app while scheduling an invite in Outlook. This meeting app will be ready to use when you chat or join the meeting on Teams.
  • We fixed an issue where Microsoft account users were missing their Outlook Add-ins.
  • We fixed an issue where the setting to control how Outlook opens previous items at start-up was missing from the Options window.
  • We fixed an issue where Outlook would close unexpectedly when a user clicked “Cancel” in the Wait on Send dialog if the message had attachments.
  • We fixed an issue where the Louder Labels sensitivity menu was not visible in the ribbon for users in the Semi-Annual Channel.
  • We fixed an issue that caused a meeting update to be sent to all attendees when clicking on “cancel” in the “Send Update to Attendees” dialog.
  • We fixed an issue where tracking responses from rooms was inconsistent when adding a second room from suggestions.

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook or the Microsoft Store and updates Outlook to: Version 2310 (Build 16924.20106).


Outlook 365 / 2021 / 2019 / 2016 Update for October 2023

News

The October security and rollup update has been made available for all Click-to-Run installations of Outlook 2016, Outlook 2019, Outlook 2021 and Outlook as part of a Microsoft 365 subscription.

It contains 2 security updates and both are for shared Office components.

In addition, it contains 1 non-security fix related to Outlook Current Channel Version 2309, 7 fixes related to Outlook Monthly Enterprise Version 2308, and 3 fixes related to Outlook Semi-Annual Version 2302.

  • Version 2309
    • We fixed an issue where Microsoft account users were missing their Outlook add-ins.
  • Version 2308
    • We fixed an issue that caused the incorrect workdays to be displayed on shared-in calendars.
    • We fixed an issue where the External Sender tag was not showing.
    • We fixed an issue that caused Outlook to exit unexpectedly when inserting a Loop component into a meeting.
    • We fixed an issue that caused Outlook to close unexpectedly in some search scenarios.
    • We fixed an issue that caused Outlook to exit unexpectedly when users executed a search with the “All Mailboxes” scope.
    • We fixed an issue that caused Outlook to close unexpectedly when viewing an email.
    • We fixed an issue where an out-of-memory error would appear when sending email after seeing the WaitOnSend dialog pop up.
  • Version 2302
    • We fixed an issue where the Louder Labels sensitivity menu was not visible in the ribbon for users in the Semi-Annual Channel.
    • We fixed an issue where the Microsoft To Do app failed to load for some customers.
    • We fixed an issue that caused Outlook to exit unexpectedly when inserting a Loop component into a meeting request, as well as other meeting body issues.

Based on your release channel, you’ll be updated to the following version;

  • Microsoft 365 Apps, Outlook 2016 Retail, Outlook 2019 Retail, Outlook 2021 Retail
    Version 2309 (Build 16827.20166)
  • Monthly Enterprise
    Version 2308 (Build 16731.20316)
    Version 2307 (Build 16626.20222)
  • Semi-Annual Enterprise (Preview)
    Version 2308 (Build 16731.20316)
  • Semi-Annual Enterprise
    Version 2302 (Build 16130.20810)
    Version 2208 (Build 15601.20796) 
  • Outlook LTSC 2021
    Version 2108 (Build 14332.20582)
  • Outlook 2019 Volume Licensed
    Version 1808 (Build 10403.20013)

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook itself or the Microsoft Store. This update does not apply to msi-based installations of Office 2016.


Exchange 2019 and 2016 Security Updates for October 2023

News

Security updates have been released for Exchange 2016 and Exchange 2019.

The updates fix the following vulnerabilities;

  • CVE-2023-36778: Microsoft Exchange Server Remote Code Execution Vulnerability

None of the vulnerabilities are currently publicly disclosed nor exploited. However, it is rated as “Exploitation More Likely”, so make sure you update as soon as possible!

The updates also contain the following new feature and non-security issues;

Additionally, there is an new update released by the Windows Team which contains a better solution to address CVE-2023-21709 from last August. This is better known as the IIS Token Cache issue where you had to apply the update and disable the Token Cache module. This has now been addressed via CVE-2023-36434. For more info, see the Exchange blog post referenced below.

View: Exchange Blog: Released: October 2023 Exchange Server Security Updates
View: Description of the security update for Microsoft Exchange Server 2019 and 2016: October 10, 2023 (KB5030877)

Download: Security Update V2 for Exchange 2019 CU12 and CU13
Download: Security Update V2 for Exchange 2016 CU23.


Outlook for Microsoft 365 Apps Feature Update for September 2023

News

Microsoft has released the September 2023 feature update of Outlook for Microsoft 365 Apps in the Current Channel.

It’s a bit of small release for Outlook this times as it only contains 2 documented fixes;

  • We fixed an issue where the setting to control how Outlook opens previous items at start-up was missing from the Options window.
  • We fixed an issue that caused Outlook to exit unexpectedly when searching a shared or delegated mailbox.

But we can always rely on the Excel Team to with something exciting in those cases. This time there is a nice new feature which definitely reduces some annoyances;

  • Control your data conversions
    You’ve been asking for more control over how Excel automatically converts your data to specific formats. We delivered! You now have the ability to disable specific types of automatic data conversions; this way, you won’t need to worry about Excel converting your data to a format that you didn’t want and weren’t expecting.

Note: Depending on your installation type, this update can be installed via the Update Now button in Outlook or the Microsoft Store and updates Outlook to: Version 2309 (Build 16827.20130).