Category Archives: Security

Critical vulnerabilities in Citrix NetScaler ADC and Gateway (March 2026)

Posted on 2026-03-25 by guenni

[German]Citrix has issued a warning about several security vulnerabilities classified as critical in its Citrix Gateway and Citrix Netscaler ADC. CERT Bund has also published a corresponding advisory. Citrix has released firmware updates to address these vulnerabilities.

Posted in Security, Software, Update | Tagged , , | Leave a comment

Google Chrome 146.0.7680.164/165 fixes 8 vulnerabilities

Posted on 2026-03-24 by guenni

[German]A quick note for Google Chrome users. On March 23, 2026, Google released a new version of Chrome (146.0.7680.164/165) that addresses eight vulnerabilities in the browser. They are rated as high. It feels like the browser has to be updated … Continue reading →

Posted in browser, Security, Update | Tagged , , | Leave a comment

Windchill & ZeroPLM 0-day vulnerabilities

Posted on 2026-03-22 by guenni

[German]The Windchill and ZeroPLM software systems contain critical vulnerabilities (CVS Index 10.0) that companies using these products should have been aware of since the weekend. These vulnerabilities have prompted various German state criminal investigation offices to send police officers to … Continue reading →

Posted in Security, Software | Tagged , | Leave a comment

Ubiquiti UniFi Network Application Vulnerabilities (CVE-2026-22557, CVE-2026-22558)

Posted on 2026-03-20 by guenni

[German]Two critical vulnerabilities have recently been disclosed in the Ubiquiti UniFi Network Application. Vulnerability CVE-2026-22557 has a CVSS score of 10.0 and can be exploited without authentication to take over an account. CVE-2026-22558 has a CVSS score of 7.7 and … Continue reading →

Posted in devices, Security, Software | Tagged , , | Leave a comment

Windows 11 24H2-25H2: Hotpatch KB5084597 closes vulnerabilities

Posted on 2026-03-14 by guenni

[German]Microsoft has unexpectedly released an emergency update (hotfix) for Windows 11 24H2 and 25H2 on March 13, 2026. This security update is intended to address a security issue in the RRAS management tool (Windows Routing and Remote Access Service). As … Continue reading →

Posted in Security, Software, Update, Windows | Tagged , , | Leave a comment

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 ...

Patchday: Microsoft Office Updates (March 10 2026)

Posted on 2026-03-12 by guenni

[German]On March 10, 2026 (the second Tuesday of the month, Microsoft Patch Day), Microsoft released several security updates for Microsoft Office. This month, serious vulnerabilities in Excel were fixed (see also the blog post Microsoft Security Update Summary (March 10, … Continue reading →

Posted in Office, Security, Update | Tagged , , , | Leave a comment

Patchday: Windows Server-Updates (March 10 2026)

Posted on 2026-03-11 by guenni

[German]On March 10, 2026 (the second Tuesday of the month, Microsoft's patch day), various cumulative updates were released for the supported versions of Windows Server. Below, I have listed the updates provided for these Windows Server versions (from Windows Server … Continue reading →

Posted in Security, Update, Windows | Tagged , , , | Leave a comment

Patchday: Windows 10/11 Updates (March 10 2026)

Posted on 2026-03-11 by guenni

[German]On March 10, 2026 (the second Tuesday of the month, Microsoft's patch day), Microsoft released cumulative updates for the still-supported client operating system versions of Windows 10 (with ESU license) and Windows 11. Here are some details about these updates, … Continue reading →

Posted in Security, Update, Windows | Tagged , , , , | Leave a comment

Microsoft Security Update Summary (March 10, 2026)

Posted on 2026-03-10 by guenni

[German]On March 10, 2026, Microsoft released security updates for Windows clients and servers, Office, and other products. The security updates address 83 vulnerabilities (CVEs), 8 of which are critical, and 2 of which were classified as zero-day vulnerabilities. Below is … Continue reading →

Posted in Security, Update, Windows | Tagged , , , , | Leave a comment

Google Chrome 145.0.7632.159/160 fixes 10 vulnerabilities

Posted on 2026-03-06 by guenni

[German]Quick note for Google Chrome browser users. On March 3, 2026, Google released a new version of Chrome (145.0.7632.159/160) that fixes 10 vulnerabilities in the browser. Three of these vulnerabilities have already been rated as critical. Google plans to roll … Continue reading →

Posted in browser, Security | Tagged , , | Leave a comment