Tag Archives: Update

Windows 11 Update KB5007262 fixes printing errors and many other bugs (2021/11/22)

Posted on 2021-11-23 by guenni

[German]Microsoft has released the update KB5007262 for Windows 11 on November 22, 2021. It is an optional update that is supposed to fix a long list of fat bugs in this best of all Windows operating systems. I've seen in … Continue reading →

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ProxyShell, Squirrelwaffle and a new PoC Exploit, patch your Exchange Server!

Posted on 2021-11-23 by guenni

[German]Currently, I warn about running unpatched Exchange vulnerabilities and ProxyShell attacks almost on a daily basis. A few days ago, Trend Micro issued a warning about attacks against ProxyShell vulnerabilities via the Squirrelwaffle exploit and the takeover of Exchange email … Continue reading →

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QNAP has released NAS security updates and disabled an app

Posted on 2021-11-23 by guenni

[German]NAS system vendor QNAP has released security updates for its firmware. In addition, an app is disabled for security reasons, because remote attackers can inject code into the firmware of the NAS storage. It seems that there is no security … Continue reading →

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Windows 10: Elevation of Privilege Vulnerabilities in Update Assistant; and CVE Revisions

Posted on 2021-11-21 by guenni

[German]Short addendum from this week. Microsoft has issued a security warning for November 16, 2021. It states that the Windows 10 Update Assistant Elevation of Privilege has security vulnerabilities. Specifically, it is about two vulnerabilities CVE-2021-42297 and CVE-2021-43211. In addition, … Continue reading →

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Edge 96.0.1054.29

Posted on 2021-11-20 by guenni

[German]Microsoft has released a security advisory for the Edge browser as of November 19, 2021, updating the browser to version 96.0.1054.29. The update also addressed security vulnerabilities reported to the Chromium team.

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

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Thunderbird 91.3.2

Posted on 2021-11-19 by guenni

[German]The developers of the Thunderbird email client have released Thunderbird 91.3.2 as of November 19, 2021. This is a maintenance update for the 91 development branch, which makes numerous fixes and one change. Here's a quick overview.

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Thunderbird 91.3.1

Posted on 2021-11-16 by guenni

[German]The developers of the Thunderbird email client have released Thunderbird 91.3.1 on November 15, 2021. This is a maintenance and security update for the 91 development branch, which makes minor fixes. Here's a brief overview.

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Windows 10/Windows Server: Out-of-band updates fixes DC authentification error (2021/11/14)

Posted on 2021-11-15 by guenni

[German]Microsoft has released unscheduled, so-called out-of-band updates for various versions of Windows 10 and Windows Server 2016 / 2019 as well as Windows Server 2012 R2 and Windows Server 2008 R2 on November 14, 2021. These are intended to fix … Continue reading →

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November 2021 Patchday issues: WSUS, DC, Events

Posted on 2021-11-11 by guenni

[German]Microsoft has release various security updates on November 9, 2021 patchday. Beside the already known printing issues caused by previous updates, there are now authentication problems with domain controllers (DCs) in certain Kerberos delegation scenarios. Probably leads to entries in … Continue reading →

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Patchday Microsoft Office Updates (November 9, 2021)

Posted on 2021-11-11 by guenni

[German]On November 9, 2021 (second Tuesday of the month, Microsoft Patchday), Microsoft has released several security-related updates for still supported Microsoft Office versions and other products. Especially for Microsoft Excel a security update is important because a vulnerability is exploited. … Continue reading →

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