[German]On April 11, 2023 (second Tuesday of the month, Microsoft patch day), Microsoft also released cumulative updates for Windows 11 22H1 and 22H2. In addition, Windows Server 2022 received an update. Here are some details about these updates, which are supposed to fix vulnerabilities as well as issues.
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[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 details on the respective security updates for Windows 10.
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[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. Below is a compact overview of these updates released on Patchday.A list of updates can be found on this Microsoft page. Details on the update packages for Windows, Office, etc. are available in separate blog posts.
[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 exception for Firefox in Defender to work around the problem. That is no longer necessary.
[English]Brief note for users who want to use the Intel graphics driver 31.0.101.2121 under Windows and suddenly get an error code 8 displayed during installation. The problem is known – the GPU is not supported (support for Skylake 6th generation GPUs has been removed from the driver, which was not originally documented on the driver page). However, there is a workaround if anyone still wants to use the driver on Windows 10/11.
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[German]AlienFox is a toolkit for compromising email and web hosting services. This toolkit is highly modular, comes in multiple versions, and attempts to exploit misconfigurations in the cloud to grab credentials for services such as AWS, Microsoft 365, Google Workspace, 1and1, etc. Security researchers from SentinelLabs, the research division of SentinelOne, have analyzed multiple versions of AlienFox and are making their findings available. Companies should arm themselves accordingly and protect themselves from attacks by the toolkit.
[German]The 3CX Desktop app from phone system provider 3CX was infected with malware via supply chain attack. As a follow-up, I have some additional information. For example, the incident has now been confirmed by 3CX and both Cyble and Kasperky have provided analysis. According to Kaspersky, the North Korean hacker group Lazarus seems to be connected to the attack. The attack was also made possible because a vulnerability in Windows, known for 10 years, was declared by Microsoft to be only "opt-in" to close – hardly anyone knows about this possibility. And not all virus scanners recognize the threat.
[German]Brief note for administrators who are responsible for the deployment of the Citrix Cloud Connector. Normally, there is no need to worry about an update of this connector. However, in early May 2023, there is a connector update that administrators should be take care of. The installation of the update in question requires that the required DigiCert G4 root and intermediate certificates have been updated beforehand.
[German]Nasty surprise for Microsoft 365 users who use Microsoft's Outlook.com email service. Users of the free email service may suddenly find that they can no longer receive or send mails. The reason given for the Outlook.com going on strike is that the available storage capacity of OneDrive has been exceeded. The cause of this effect is a change in the OneDrive storage limit policy on February 1, 2023, which has now been rolled out more broadly. This is because Microsoft now also includes email attachments for Outlook.com in the 5 GB OneDrive storage limit.
[German]Bad news for users of Google's home automation products like the Nest Thermostats, the Dropcam camera or the Google Secure solutions. Google has announced that their support will be discontinued on April 4, 2024. The solutions in question will then no longer be accessible via app and will become more or less useless, as support will be missing. Here is a short overview of what Google has announced.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
