Category Archives: Security

.NET Core und Visual Studio: Vulnerability CVE-2021-1721 revised

Posted on 2021-02-13 by guenni

[German]Microsoft also released security updates for a Denial of Service vulnerability in .NET Core and Visual Studio on February 9, 2021 (Patchday). Now a revision of the information as of February 11, 2021 has been followed up.

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WordPress plugin Responsive Menu: Serious security vulnerability patched

Posted on 2021-02-13 by guenni

[German]Administrators of a WordPress installation who use the Responsive Menu plugin should update it urgently (if not done automatically). The developers have fixed several serious vulnerabilities that allow WordPress installation takeover.

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New vulnerabilities discovered in TCP/IP stacks, patches for Windows TCP/IP vulnerabilities

Posted on 2021-02-12 by guenni

[German]Security researchers have found vulnerabilities in nine TCP/IP stacks (according to Amnesia:33), and issued a warning. Microsoft has closed three critical vulnerabilities in the Windows TCP/IP stack as of February 9, 2021, on the occasion of February Patchday.

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Microsoft closes 12-year-old vulnerability CVE-2021-24092 in Defender (Feb. 9, 2021)

Posted on 2021-02-12 by guenni

[German]On patchday (February 9, 2021), Microsoft also fixed the CVE-2021-24092 vulnerability in Defender, which has probably existed for at least 12 years. This allows an attacker to elevate privileges under Windows, and this without the user's intervention. However, there is … Continue reading →

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0-day vulnerability in Internet Explorer fixed via micropatch

Posted on 2021-02-12 by guenni

There is a 0-day vulnerability in Internet Explorer 11 that was not fixed with the February 2021 updates. ACROS Security has now released a micropatch to close this vulnerability in Internet Explorer. I have added the relevant notes in the … Continue reading →

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

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...

Adobe Reader/DC Update (Feb. 9, 2021) drops error 1722 in Windows

Posted on 2021-02-11 by guenni

[German]German blog reader Martin E. alerted me last night to a problem with yesterday's Adobe Reader/Acrobat DC security update. There are massive installation problems on Windows with the Adobe Reader /Acrobat DC security update dated February 9, 2021 (the setup … Continue reading →

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Patchday Microsoft Office Updates (February 9, 2021)

Posted on 2021-02-11 by guenni

[German]On February 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. Here is an overview of the available updates.

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Patchday: Windows 8.1/Server 2012 Updates (February 9, 2021)

Posted on 2021-02-10 by guenni

[German]As of February 9, 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.

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Patchday: Updates for Windows 7/Server 2008 R2 (9. Februar 2021)

Posted on 2021-02-10 by guenni

[German]On February 9, 2021, Microsoft released various (security) updates for Windows 7 SP1 (ESU) and Windows Server 2008 R2. Here is the overview of these updates.

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Patchday: Windows 10-Updates (February 9, 2021)

Posted on 2021-02-10 by guenni

[German]On February 9, 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.

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