Category Archives: Office

LibreOffice 7.6.2 and LibreOffice 7.5.7 fixes CVE 2023-4863

Posted on 2023-09-29 by guenni

The developers of LibreOffice have released updates to versions 7.6.2 and 7.5.7. These security updates were required to close the CVE 2023-4863 vulnerability in libwebp (see also my post WebP vulnerability (CVE-2023-5129) affects multiple software packages such as web browser). … Continue reading →

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Office 2016 Update KB5002457 causes appwiz.cp-/mso.dll errors

Posted on 2023-09-15 by guenni

[German]Microsoft has also released updates for Office 2016 on patchday, September 12, 2023, that are supposed to eliminate vulnerabilities. I got now reports, the Office 2016 update KB5002457 is causing issues and Office can no longer be used. The only … Continue reading →

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How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

Patchday: Microsoft Office Updates (September 12, 2023)

Posted on 2023-09-14 by guenni

[German]On September 12, 2023 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for still-supported Microsoft Office versions and other products. With the April 2023 patchday, support for Office 2013 ended – but vulnerabilities were still closed … Continue reading →

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Microsoft Security Update Summary (September 12, 2023)

Posted on 2023-09-13 by guenni

[German]On September 12, 2023, Microsoft released security updates for Windows clients and servers, for Office – as well as for other products. The security updates fix 61 CVE vulnerabilities, two are 0-day vulnerabilities. Below is a compact overview of these … Continue reading →

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MalDoc: Malicious Word files in PDF documents bypass malware detection

Posted on 2023-09-03 by guenni

[German]Another small addendum from this week: The Japanese CERT warns of a new technique used by cyber attackers who take malicious Word files and embed them in PDF documents. This "packaging" is intended to bypass the detection of the malicious … Continue reading →

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Changes to Microsoft 365 and Office 365 due to EU competition concerns

Posted on 2023-08-31 by guenni

[German]The EU competition investigations underway against Microsoft seem to be having an effect. Suddenly, Redmond is announcing changes to Microsoft 365 and Office 365 to address European competition concerns. These changes will affect our Microsoft 365 and Office 365 suites … Continue reading →

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Outlook 365: Search in shared calendars broken? (August 2023)

Posted on 2023-08-29 by guenni

[German]Brief information for users and administrators of Microsoft Office 365. I have received a message from an IT service provider who reports a problem with customers that the search in shared calendars in Outlook has been broken for a few … Continue reading →

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Outlook: Body of accepted meetings is write only now; by design after Office August 2023 update

Posted on 2023-08-27 by guenni

[German]Short information for administrators of Office installations with Microsoft Outlook. I received reports, that since installing August 2023 updates for Microsoft Outlook were installed, the so-called body text of appointments can only be changed by the organizer of the appointment. … Continue reading →

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Outlook "open window" bug at startup a permission issue?

Posted on 2023-08-14 by guenni

[German]Since the Office updates of late June 2023, users have been complaining that every time they start Outlook, it asks if they want to reopen windows open in the previous session (which do not exist). I have information that this … Continue reading →

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Office 365: Sign in Error 1001

Posted on 2023-08-11 by guenni

[German]There are reports that users of the Office 365 suite are suddenly getting error 1001 when trying to log in. An IT service provider contacted me about this because this was occurring with their customers. However, there is a workaround … Continue reading →

Posted in issue, Office | Tagged , | 2 Comments