Category Archives: Windows

Windows 11: Defender update KB5007651 brings FASR, fixes LAS bug, but still causes issues

[German]Microsoft has released Defender Update KB5007651 for its anti-malware platform, version 1.0.2303.27001 for Windows 11, effective April 18, 2023. The update is intended to fix a Local Security Authority (LSA) bug in Windows 11 and brings "hardware-assisted protection" in the … Continue reading

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Windows Server: Update your Active Directory schema for the current Windows LAPS version

[German]Microsoft has integrated its Local Administrator Password Solution (LAPS) directly into the Windows operating system with the April 2023 patchday (April 11, 2023). I had reported on problems this move by Microsoft brings to non-English Windows systems. I just came … Continue reading

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Special Defender update for Windows installation media (April 2023)

[German]Microsoft has recently released a specially customized version of Defender for Windows installation media. The package is available in Windows Imaging Format (WIM) and Virtual Hard Disk (VHD) and includes new definitions that support Windows 11, all editions of Windows … Continue reading

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QueueJumper: Patch critical RCE vulnerability in MSMQ service

[German]A remote code execution vulnerability CVE-2023-21554 exists in the Microsoft Message Queuing service (MSMQ), which has been rated critical with a CVEv3 score of 9.8. Microsoft has released security updates for Windows clients and servers on April 11, 2023, that … Continue reading

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Microsoft April 2023 Patchday issues

[English]As of April 11, 2023, Microsoft has implemented security updates for various Microsoft products on the monthly patch day. There was sporadic feedback from readers pointing out minor problems. I will summarize various messages in the comments of the readers … Continue reading

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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 ...


Windows 10/11 OOBE Updates (April 11, 2023)

[German]Brief addendum from the April 2023 patchday. Microsoft has released updates for Windows 10 and 11 on April 11, 2023, in addition to various updates for these operating systems. The two OOBE updates KB5026039 and KB5026038 for Windows 11 and … Continue reading

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Windows 7/Server 2008 R2; Server 2012 R2: Updates (April 11, 2023)

[German]As of April 11, 2023, various security updates have been released for Windows Server 2008 R2 (in the 4th ESU year) and for Windows Server 2012/R2 (the updates may still run on Windows 7 SP1). Here is an overview of … Continue reading

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Patchday: Windows 10 Updates (April 11, 2023)

[German]On April 11, 2023 (second Tuesday of the month, patchday at Microsoft), several cumulative updates were released for the supported Windows 10 builds (from RTM version to current version) as well as for the Windows Server counterparts. Here are some … Continue reading

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Microsoft Security Update Summary (April 11, 2023)

[German]On April 11, 2023, Microsoft released security updates for Windows clients and servers, for Office – as well as for other products. The security updates fix 97 CVE vulnerabilities, seven of which are critical and one is a 0-day vulnerability. … Continue reading

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Microsoft fixes 5-year-old Defender bug that slows down Firefox

[German]A few days ago, Microsoft fixed a bug in Defender that had been known for five years. The bug caused Defender to create a high CPU load on Windows when the Firefox browser was running. Users had to create an … Continue reading

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