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Category Archives: Software
Windows 11 24H2-25H2: Hotpatch KB5084597 closes vulnerabilities
[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
Vulnerabilities (CVE-2025-59536, CVE-2026-21852) in Anthropic Claude Code
[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
MC1179154: Microsoft Authenticator locks itself when jailbreak/root access is used
[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
Posted in Android, ios, Security, Software
Tagged Android, Authenticator, iOS, Security, Software
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Firefox 148.0 with AI killswitch; Firefox 115.33.0 ESR as last update for Windows 7
[German]A few days ago, I reported that Mozilla Firefox 115 ESR would be discontinued on Windows 7/8.1. Now, Firefox 115.33.0 ESR has been released as the last update for these operating systems. Mozilla has also released Firefox 148.0 with AI … Continue reading
Identify EWS apps and their use prior to EWS shutdown
Microsoft is retiring Exchange Web Services (EWS). This process will begin in October 2026 and end with the complete shutdown of EWS in 2027. I recently mentioned this in the German blog post Exchange Online: Zeitplan für das Ende von … Continue reading
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 ...
Outlook Classic: Bug hides mouse pointer (also in other MS 365 apps)
[German]Outlook Classic users are once again plagued by a silly bug that Microsoft has built into the software. The bug causes the mouse pointer to disappear unintentionally. It can also affect OneNote or other MS 365 apps. Microsoft has finally … Continue reading
Outlook New: Microsoft extends opt-out period for companies until 2027
[German]The option for companies to defer use of the Outlook New app to Outlook Classic was originally scheduled to end in April 2026. Microsoft has now postponed this date by 12 months to March 2027.
Microsoft Edge: Primary password to be discontinued in summer 2026
[German]Brief information for users of the Microsoft Edge browser who have used a so-called primary password. Microsoft has just declared this feature "deprecated" and will remove it by summer 2026.
MC1234566 – Outlook "Contact Masking" will be discontinued on March 31, 2026
[German]Brief information for users and administrators who use Outlook 365. Microsoft recently announced that it will discontinue "contact masking" in Outlook on March 31, 2026.
Exchange Server security updates February 2026
Microsoft released the "February 2026" security update for Exchange Server on February 10, 2026. The security update applies to Exchange Server 2016, Exchange Server 2019, and Exchange Server Subscription Edition (SE). Exchange Online customers are already protected and are not … Continue reading