Patchday Sept. 2021 Review: New PrintNightmare fix, new issues

Windows[German]For months, a number of vulnerabilities in the Windows Print Spooler service, which are summarized under the term PrintNightmare, have existed in all Windows versions. Microsoft has been trying to close the vulnerabilities completely since July 2021 to no avail. New problems occur after every patch. At patchday on September 14, 2021, there was another PrintNightmare fix, but it poses problems again. Here is a brief overview of the state.

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Microsoft accounts support passwordless login

Sicherheit (Pexels, allgemeine Nutzung)[German]Microsoft now supports passwordless logins to Microsoft accounts. The company announced this in a blog post on September 15, 2021. This should make it possible to log in to Windows, Office or other Microsoft services via the Authenticator app without entering a password. Microsoft wants to increase the security of the systems with this step.

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Patchday Microsoft Office Updates (September 14, 2021)

Update[German]On September 14, 2021 (second Tuesday of the month, Microsoft Patchday), Microsoft has released several security-related updates for still supported Microsoft Office versions and other products. Here is an overview of the available updates.

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Registration open for Microsoft’s Ignite 2021

[German]Microsoft will hold its Ignite 2021 conference from November 2 to 4, 2021. Microsoft Ignite is an annual conference for developers and IT experts. Because of the coronavirus pandemic, everything takes place as a digital online event, and access is free. Registration is now open.

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Adobe Acrobat (Reader) DC 21.007.20091

win7[German]Adobe has released a security update for Adobe Acrobat (Reader) DC to version 21.005.20091 on September 14, 2021, which is intended to patch vulnerabilities considered critical and important according to APSB21-55. The release notes contain the download addresses for the Windows and macOS installers, as well as notes on what (important) bugs have been fixed. (via)

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Patch Microsoft Azure vulnerabilities OMIGOD in Linux VMs

[German]Those responsible for Linux VMs under Microsoft Azure need to react immediately. Management agents have been silently installed, that have RCE and LPE vulnerabilities. The vulnerability, called OMIGOD, must be patched manually because there is no Azure update mechanism.

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Patchday: Updates for Windows 7/Server 2008 R2 (September 14, 2021)

Update[German]On September 14, Microsoft has released various updates for Windows 7 SP1 systems that are still in ESU support. Also with ESU Bypass v11 the whole thing still works. But these security updates are also available for Windows Server 2008 R2 with ESU support. Here is some information about the Monthly Rollup and Security only Updates for this operating system.

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Patchday: Windows 8.1/Server 2012 Updates (September 14, 2021)

Windows[German]On September 14, Microsoft released various updates for Windows 8.1. However, these security updates are also available for Windows Server 2012 R2. Here is some information on the Monthly Rollup and Security only updates for these operating systems.

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Patchday: Windows 10-Updates (September 14, 2021)

Windows[German]On September 14, 2021 (second Tuesday of the month, Patchday at Microsoft), several cumulative updates were released for the supported Windows 10 builds (from the RTM version to the current version 21H1). Among other things, there are patches against the MSHTML vulnerability and another PrintNightmare fix. Here are some details about the respective patchday security updates.

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Microsoft Security Update Summary (September 14, 2021)

Update[German]On September 14, Microsoft released security updates for Windows clients and servers, for Office, etc. – as well as for other products – were released. These include fixes for PrintNightmare as well as for the MSHTML vulnerability. Below is a compact overview of these updates released on Patchday.

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