Microsoft Defender automatically mitigates CVE-2021-26855 on Exchange Server

[German]Microsoft is taking the next step in securing on-premises Exchange installations. Microsoft Defender not only detects infections of a system as a result of the ProxyLogon vulnerabilities. The virus scanner can also automatically detect a vulnerable system and closes the CVE-2021-26855 vulnerability on Exchange Server.

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Exchange ProxyLogon News: Patch status, new PoC and new findings (03/18/2021)

[German]Regarding the Exchange ProxyLogon vulnerabilities and the mass hack of Exchange Server systems, there is a publicly available proof of concept (PoC), so new attacks are to be expected. Patching and securing is progressing slowly. Microsoft's testing scripts should be kept up to date or tests will fail. And there are new Indicator of Compromise (IoC) for attacks on Exchange Server.

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Windows 10: Microsoft confirms graphics printing issues after March 2021 updates

[German]I reported some graphics printing issues caused by March 2021 updates in Windows to Microsoft. Now Microsoft has just confirmed the errors in the printing of graphics that occur after the March 9, 2021 cumulative updates. Here's some information about them.

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Windows 10 20H2 activates telemetry despite O&O Shutup 10 settings

[German]Many users trust on O&O Shutup to turn off telemetry data collection under Windows 10. I've now received a user report that a disabled telemetry data collection is automatically reactivated under Windows 10 – despite O&O Shutup 10 settings. Other users are confirming this observation.

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Adobe Reader 21.001.20145 causes 32BitMAPIBroker.exe crash

[German]There are reports, that Adobe Reader 21.001.20145, which was updated a few days ago, has a problem on Windows. The 32BitMAPIBroker.exe crashes in conjunction with Outlook 2013 when the application is closed. This is an old error, that has appeared on some older versions.

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Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...


Security update for Exchange Server 2013 SP1; CUs for Exchange 2019 and 2016 (03/16/2021)

[German]Microsoft released a security advisory to revise its outdated updates for older CUs for on-premises Microsoft Exchange Servers (which have already fallen out of support). Specifically, Microsoft has released a security update for the out-of-support Microsoft Exchange Server 2013 Service Pack 1. Addendum: In addition, CU 9 for Exchange Server 2019 and CU 20 for Exchange Server 2016 have been released.

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Windows 10: Still printing issues after update installation (March 2021)

[German]As of March 15, 2021, Microsoft has released unscheduled fix updates for Windows 10 printing issues (APC_INDEX_MISMATCH BSOD). While the updates make a lot of people happy, other users continue to suffer from BlueScreens or incorrect printouts, especially with graphics. I therefore summarize what feedback I have received in the meantime.

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Microsoft Exchange (On-Premises) one-click Mitigation Tool (EOMT) released

[German]Microsoft has released its onclick Microsoft Exchange (On-Premises) Mitigation Tool (EOMT) as of March 15, 2021. The tool is intended to provide a one-click solution to mitigate the CVE-2021-26855 chess vulnerability on on-premises Exchange Server installations and is primarily intended for administrators in smaller companies to have something in hand in the first place.

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Veeam backup fails due to Azure AD issue; patch for Veeam Backup for Office 365

[German]The worldwide disruption in Microsoft's Azure Active Directory on March 15,/16, 2021 has affected many services. Among others, backup solutions that rely on Microsoft services provided by Azure AD for authentication have likely failed. This includes Veeam Office 365 backups. There is also a cumulative update KB4124 for Veeam Backup for Microsoft Office 365 5b.

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Windows 10 2004-20H2: Office memory or media error when opening documents fixed

[German]If you are experiencing an error message "xxxx cannot open or save any other documents ..:" when opening an Office document with Office apps from the Store on Windows 10 2004 or 20H2, this is a bug caused by a February 2021 preview update. Microsoft has documented the issue and also fixed it.

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