Tag Archives: Windows

Microsoft confirms Windows network printing issue after October 2021 updates

Posted on 2021-10-19 by guenni

[German]Since the release of the October 12, 2021 security updates, administrators have been complaining about network printing issues. Administrative permissions are required for every print operation – I had reported. Now Microsoft has confirmed this issue, but released the whole … Continue reading →

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Windows October 2021 Updates: PrintNightmare Status and Network Printing Issues

Posted on 2021-10-15 by guenni

[German]As of October 12, 2021, Microsoft has addressed new vulnerabilities in the environment of the security holes known as PrintNightmare via update. Therefore, a short look at the issue in question, which is still not off the table. In addition, … Continue reading →

Posted in issue, Update, Windows | Tagged , , , , | 4 Comments

Patchday: Windows 10-Updates (October 12, 2021)

Posted on 2021-10-13 by guenni

[German]On October 12, 2021 (second Tuesday of the month, Patchday at Microsoft), various cumulative updates for the supported Windows 10 builds (from RTM version to the current version 21H1) were released. Here are some details about the respective patchday security … Continue reading →

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Microsoft Oktober 2021 Patchday (2021/10/12)

Posted on 2021-10-12 by guenni

[German]On October 12, 2021, Microsoft released security updates for Windows clients and servers, for Office, etc. – as well as for other products – released. A list of updates can be found on this Microsoft page. Details about the update … Continue reading →

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Let's Encrypt certificate trouble with Windows, Sophos UTM, macOS/iOS (2021/09/30)

Posted on 2021-09-30 by guenni

[German]As of September 30, 2021, some root certificates that Let's-Encrypt used to sign user certificates expired. This meant that certain devices or applications could no longer access websites or mail servers. I have seen cases with iOS 14/15 and macOS, … Continue reading →

Posted in ios, issue, macOS, Software, Windows | Tagged , , , , | 5 Comments
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Tip: Windows PrintNightmare test tools for administrators

Posted on 2021-09-28 by guenni

[German]Administrators may be faced with the problem of testing their machine inventory to determine if individual installations are vulnerable to the PrintNightmare vulnerabilities in Windows. Furthermore, it may be necessary to remove or add printers. Someone did the work and … Continue reading →

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Windows PrintNightmare: Status, issues and workarounds (Sept. 22, 2021)

Posted on 2021-09-22 by guenni

[German]Since the patchday of September 14, 2021, when further security updates to close the PrintNightmare vulnerabilities are delivered, there are massive problems with network printers in some environments. The background is that Microsoft implemented certain security measures in August and … Continue reading →

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Windows September 2021 Update: Workaround for some printing issues

Posted on 2021-09-20 by guenni

[German]Zum Patchday am 14. September 2021 hat Microsoft für die unterstützten Windows-Systeme Sicherheitsupdates freigegeben, die auch weitere PrintNightmare-Schwachstellen beseitigen sollen. Diese Updates verursachen aber Probleme, so dass Netzwerkdrucker nicht mehr angesteuert werden können. In einigen Fällen könnte ein einfacher Workaround … Continue reading →

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Windows PrintNightmare: Microsoft confirms printing problems after Sept. 2021 update

Posted on 2021-09-18 by guenni

[German]For months, a number of vulnerabilities in the Windows Print Spooler service have existed in all versions of Windows, collectively known as PrintNightmare. Microsoft has been trying in vain to close the vulnerabilities completely since July 2021, but is having … Continue reading →

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Malware targets the Windows Subsystem for Linux (WSL)

Posted on 2021-09-18 by guenni

[German]Security researchers from Lumen's Black Lotus Labs have come across several malware samples that can infect the Windows subsystem for Linux and then switch to the native Windows environment. Experts had outlined this scenario back in 2017. Thus, the Microsoft … Continue reading →

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