Category Archives: Security

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 →

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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 →

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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 →

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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 →

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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 →

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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 ...

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 →

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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 →

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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 →

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Vulnerabilities (CVE-2025-59536, CVE-2026-21852) in Anthropic Claude Code

Posted on 2026-03-02 by guenni

[German]Security researchers at Check Point Research have identified critical vulnerabilities (CVE-2025-59536, CVE-2026-21852) in Anthropic's AI-based coding tool "Claude Code." These vulnerabilities allowed remote code execution and the theft of API credentials. This is critical because attackers could abuse built-in mechanisms … Continue reading →

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MC1179154: Microsoft Authenticator locks itself when jailbreak/root access is used

Posted on 2026-03-01 by guenni

[German]A quick note for people who use the Microsoft Authenticator app on an iPhone or Android device. Microsoft has announced that, as of February 24, 2026, it will first warn and then block EntraID logins on devices with jailbreak (iOS) … Continue reading →

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