Add-ins are ubiquitous as "software helpers." But there is a constant risk that such add-ins will suddenly have malicious functions implanted in them. A once popular Outlook add-in stole 4,000 login details and payment details after the developer abandoned the project and a criminal took over the domain.
In June 2026, UEFI Secure Boot certificates for Windows will expire. In October 2026, the next UEFI certificate for Secure Boot will expire. Microsoft has been trying to replace this Secure Boot certificate in UEFI for quite some time. In a post on the Windows blog, Microsoft commented on February 10, 2026, on what will happen when certificates expire.
On February 10, 2026 (the second Tuesday of the month, Microsoft Patch Day), Microsoft released several security updates for Microsoft Office. This month, a serious vulnerability in Word was fixed (see also the blog post Microsoft Security Update Summary (February 10., 2026)). The details may be read here [use the translation feature provides in the web site].
A brief addendum from February 9, 2026, when Microsoft introduced two new security features for Windows: "Windows Baseline Security Mode" and "User Transparency and Consent." These are intended to make the use of drivers, apps, and services more secure and … Read more here [use translation]
I will summarize some of the findings from the last few days regarding vulnerabilities in Ivanti Mobile Device Management (EPMM). In this context, there was also an attack on the EU Commission and an attack on the data protection authority in the Netherlands. Read more here [use translation]
[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 ...
For months, there have been rumors about Windows 11 26H1 in the media. The designation 26H1 indicates that this version of Windows 11 will be released in the first half of 2026. However, it was also clear (at least to me) that this Windows 11 only for ARM devices. Read more here [use translation]
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 affected by the update. Read more here [use translation]
On February 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, along with some details for these Windows Server versions (from Windows Server 2012 to /R2). Read more here [use translation]
On February 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, which fix vulnerabilities and issues. Read more here [use translate feature]
On February 10, 2026, Microsoft released security updates for Windows clients and servers, Office, and other products. The security updates address 54 vulnerabilities (CVEs), eight of which are critical, six of which were classified as zero-day vulnerabilities, and one of which is being exploited. Read more heree [use translate feature]
MVP:
2013 – 2016
WIMVP:
2017 – 2020
