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Tag Archives: Windows
Malicious CSV files can install BazarBackdoor
[German]Cyber criminals have found a way to abuse text-based CSV files in order to install BazarBackdoor malware on victims' systems. Security researchers probably came across this fact while monitoring a phishing campaign. The culprit is the ability to access the … Continue reading
Windows 10/11: Systems required 2-6 hours of update connectivity for successful updates
[German]Microsoft has just released information that affects Windows 10 and Windows 11, as well as their server counterparts. In order to successfully install updates on these machines, they apparently have to be accessible online via the Internet for a longer … Continue reading
Windows 10: Proof of Concept for vulnerability CVE-2022-21882
[German]In January 2022, Microsoft closed the CVE-2022-21882 (Win32k Privilege Escalation) vulnerability in Windows 10/11 and Windows Server 20H2 on Patchday. However, the patch was not installed everywhere because of the many collateral damages. Now a public proof of concept (PoC) … Continue reading
Microsoft Microsoft Security Update Revisions (Jan. 27, 2022)
[German]Microsoft released last night an an email about various revisions to its security advisories. It is about a Windows DCOM server vulnerability and Defender for IoT vulnerabilities. However, everything is only of an informal nature, Microsoft has only adjusted the … Continue reading
Do Windows updates bricks Lenovo computers?(Jan. 2022)
[German]Today I have a quick question for users and service providers who own or support Lenovo devices. I have seen reports that these devices (especially in the consumer sector) suddenly no longer boot after a Windows update (possibly January 2022 … 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 ...
PDF printing issues with Adobe Reader under Windows (Jan. 2022)
[German]It seems that the Adobe Reader DC is causing printin^g issues in Windows since January 2022. I received reports that there have been issues with printing PDF documents since about 2 weeks. It is not an isolated case, because the … Continue reading
Status of January 2022 security updates from Microsoft (2022/01/25)
[German]We are in the so-called D-Week, regarding updates by Microsoft for products like Windows or Office. Whether there are (preview) updates today that anticipate the patches for February 2022, I don't know. But after there were massive problems with the … Continue reading
Windows January 2022 updates bricks Active Directory Federation Services
[German]It seems, that the January 2022 security updates like KB5009557 bricks Active Directory Federation Services ADFS-Farm-Servers. I receive a report, where update KB5009557 breaks LDAP queries to domain controllers from a ADFS Farm Server. Here are a few details about … Continue reading
Windows 10/11: Which group policies should no longer be used in patch management
[German]Today another topic for administrators of Windows systems (Windows 10 and Windows 11) to which Microsoft has commented the days. It is about group policies that can be used in these clients to manage restrictions. At one point it looks … Continue reading
Vulnerabilities in McAfee Agent allows privilege escalation and code execution as Windows SYSTEM
[German]McAfee Agent for Windows is vulnerable to privilege escalation due to a serious vulnerability, allowing program code to execute with Windows SYSTEM privileges. The vendor has since corrected the CVE-2022-0166 vulnerability, which was introduced into products such as McAfee Endpoint … Continue reading