[German]Currently, there is are issues with Microsoft 365 that affects services such as Exchange Online. It is possible that this disruption is limited to North America. The status messages do not give much away.
[German]There is a previously unpatched vulnerability in the implementation of the NTFS file system used by Windows 10. Via this vulnerability, it is possible for attackers to destroy the contents of an NTFS volume used under Windows 10. It is enough to place an appropriately crafted file on an NTFS volume to trigger the flaw. A security researcher has now pointed this out for the umpteenth time.
[German]A website called SolarLeaks offers source code allegedly captured from the Solarburst backdoor attacks in SolarWinds Orion products at Cisco, Microsoft, and SolarWinds. However, these could be copycats. In addition, a third malware, SunBurst, was discovered on SolarWinds' build systems. It was through the malware that the supply chain attack took place.
[German]Microsoft has also released update KB4598502 for .NET Framework as of January 12, 2021. Here is some information about these updates.
[German]Microsoft has released update KB4535680 on January 12, 2021. It is a security update for Secure Boot (DBX), which can be used by Windows on UEFI machines.
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[German]On January 12, 2021 (second Tuesday of the month, Patchday at Microsoft), Microsoft released various security-related updates for still supported Microsoft Office versions and other products. Here is an overview of the available updates.
[German]As of January 12, 2021, Microsoft has released various updates for Windows 8.1. However, these updates are also available for Windows Server 2012 R2. Here is some information about them.
[German]On January12, 2021, Microsoft released various (security) updates for Windows 7 SP1 (ESU) and Windows Server 2008 R2. Here is the overview of these updates.
[German]On January 12, 2021 (second Tuesday of the month, Patchday at Microsoft), several cumulative updates were released for the supported Windows 10 builds. Here are some details about each update.
[German]On January 12, 2021, Microsoft released security updates for Windows clients and servers, for Office, Internet Explorer, and so on. Here is a concise overview of these updates.A list of updates can be found on this Microsoft page. Details about the update packages for Windows, Office, etc. are available in separate blog posts.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
