WSL

Winsage
January 13, 2026
Microsoft's January 2026 Patch Tuesday update, KB5074109, addresses 114 vulnerabilities, including a critical zero-day vulnerability (CVE-2026-20805) in the Windows Desktop Window Manager (DWM) that has been actively exploited. The update is applicable to Windows 11 versions 24H2 and 25H2 and includes security enhancements and updates to AI components. Other high-severity vulnerabilities addressed include CVE-2026-20816 (privilege escalation in Windows Installer), CVE-2026-20817 (elevation of privilege in Windows Error Reporting), CVE-2026-20840 (vulnerability in Windows NTFS), CVE-2026-20843 (flaw in Routing and Remote Access Service), CVE-2026-20860 (vulnerability in Ancillary Function Driver for WinSock), and CVE-2026-20871 (another DWM vulnerability). The update removes legacy modem drivers to minimize the attack surface and resolves reliability issues in Azure Virtual Desktop and WSL networking. It also changes the default setting for Windows Deployment Services (WDS) to disable hands-free deployment. Users can install the update through Windows Update, and a system reboot is required for full application.
Winsage
December 15, 2025
Microsoft has acknowledged that recent security updates for Windows 11 are causing networking complications for enterprise users utilizing the Windows Subsystem for Linux (WSL), particularly affecting those who installed the KB5067036 update from October 28, 2025, or subsequent updates like KB5072033. Users are experiencing difficulties with certain third-party VPN applications when the mirrored mode networking feature is enabled, leading to "No route to host" errors within WSL environments. This issue primarily impacts OpenVPN and Cisco Secure Client. The root cause is the failure of VPN applications' virtual network interfaces to respond to Address Resolution Protocol (ARP) requests. Home users on Windows Home or Pro editions are unlikely to be affected. Microsoft is investigating the issue but has not provided a timeline for a resolution or workarounds. WSL, launched in March 2018, allows users to run Linux distributions natively on Windows, with WSL 2 introduced in May 2019 featuring a real Linux kernel. Microsoft open-sourced WSL at Microsoft Build 2025, making its source code available on GitHub, except for some components that remain part of Windows.
Winsage
November 20, 2025
Microsoft's Windows operating system will mark its 40th anniversary on November 20, 2025. Originally launched in 1985 as a graphical interface for MS-DOS, Windows has become a dominant force, powering billions of devices. However, recent trends show a decline in Windows' popularity, with Linux surpassing 5% of the desktop market share in the U.S. as of June 2025, coinciding with a drop of over 5% in Windows' market share since December 2024. Globally, Windows holds a 27.39% share across all devices, while Linux has approximately 3% worldwide. The impending end of support for Windows 10 in October 2025 is prompting users to consider alternatives like Linux, particularly among tech-savvy individuals and in emerging markets such as India. Linux's appeal stems from its free, community-driven, and customizable nature, with forecasts predicting growth from [openai_gpt model="gpt-4o-mini" prompt="Summarize the content and extract only the fact described in the text bellow. The summary shall NOT include a title, introduction and conclusion. Text: As Microsoft approaches the 40th anniversary of Windows on November 20, 2025, the operating system finds itself at a crossroads, facing challenges that could redefine its legacy. Originally launched as a graphical interface for MS-DOS in 1985, Windows has grown into a dominant force, powering billions of devices worldwide. However, recent trends indicate a potential midlife crisis, as Linux, the open-source contender, steadily gains traction among users disillusioned with Windows’ privacy policies, hardware demands, and mandatory updates. The Numbers Speak Volumes Data from StatCounter, highlighted by PCMag, reveals that Linux has surpassed the 5% mark in desktop market share in the U.S. as of June 2025, a significant milestone that coincides with a decline in Windows’ popularity—down over 5% since December 2024. Globally, Windows maintains a 27.39% share across all devices, trailing behind Android’s Linux-based 44.51%. While Windows still commands 71% of the desktop market, this figure has diminished from previous highs, with Linux now holding approximately 3% worldwide, according to It’s FOSS. This gradual shift is particularly evident among tech-savvy users and in emerging markets like India, where cost and customization are driving factors for Linux adoption. Industry analysts have identified several key catalysts for this trend. The impending end of support for Windows 10 in October 2025 has prompted many users to explore alternatives rather than upgrade to Windows 11, which requires TPM 2.0 hardware that excludes older machines. Discussions on platforms like Reddit reveal a growing interest in Linux distributions such as Ubuntu and Fedora, with users sharing their positive experiences. One post noted, “I think everyone here knows that Windows 10 support is ending next year,” reflecting a sentiment that resonates with over 60% of users still on Windows 10 who are considering Linux as a viable option. The Open-Source Insurgency Gains Momentum Linux’s appeal lies in its foundational philosophy: it is free, community-driven, and infinitely customizable. Unlike Windows, which confines users within Microsoft’s ecosystem, Linux offers a variety of distributions tailored for diverse needs, from gaming to enterprise solutions. Fortune Business Insights forecasts that the global Linux market will expand from .41 billion in 2025 to .69 billion by 2032, driven by its dominance in cloud infrastructure and embedded systems. “Linux has become the backbone of enterprise IT,” a report from OpenPR emphasizes, noting its stability and security features that often surpass those of Windows. This growth is not merely theoretical. The recent rise of Linux’s desktop share to 5.03% in the U.S. signifies a cultural shift, as reported by WebProNews. Factors contributing to this change include heightened privacy concerns regarding Windows’ telemetry data collection and the increasing costs associated with proprietary software. User-friendly advancements, such as improved hardware compatibility and tools like Proton for gaming, have lowered barriers to entry. Steam’s hardware survey indicates a growing number of Linux gamers, challenging Windows’ long-standing dominance in the gaming sector. “Linux is making modest gains off the back of growing popularity in emerging markets,” notes ITPro, where affordability often outweighs Windows’ licensing fees. Microsoft’s Legacy Under Siege Tracing the evolution of Windows reveals a remarkable journey, yet one that now appears vulnerable. Launched amid skepticism, Windows 1.0 introduced multitasking and mouse support, revolutionizing personal computing. By the 1990s, Windows 95 solidified its dominance, although antitrust battles exposed monopolistic practices that Linux advocates continue to criticize. Today, with Windows 11 as its flagship, Microsoft grapples with a fragmented market where mobile operating systems, particularly Android, dominate, holding 72% of the smartphone market, according to Wikipedia. The competition extends beyond desktops, with Linux commanding over 90% of the server market, as noted in discussions by tech influencers on X. This infrastructure dominance spills into consumer spaces, as evidenced by Android’s success, showcasing Linux’s scalability. Microsoft’s own initiatives, such as integrating Linux subsystems into Windows through WSL, acknowledge this reality, blurring the lines between competitors. However, as Ars Technica reported in 2023, Linux’s global gains often come at the expense of Windows, although trends in the U.S. have shown fluctuations. Emerging Markets and Future Trajectories In regions like India, Linux’s growth is particularly explosive. ITPro highlights how the adoption of open-source solutions in this region is driving global statistics, as users circumvent Windows’ hardware requirements. This trend reflects broader movements in developing economies, where Linux’s zero-cost entry point democratizes access to technology. Conversations on X amplify this narrative, with users celebrating Linux’s potential and predicting further erosion of Windows’ market share. Microsoft is not remaining idle in this shifting landscape. Investments in Azure, which supports Linux workloads, demonstrate adaptability, yet consumer trust continues to wane with each controversial update. The Recall feature’s privacy issues, for instance, have fueled migrations to Linux. Analysts from TechRadar caution that Linux could soon achieve double-digit desktop share, particularly following the end of Windows 10 support. Strategic Shifts in a Post-Windows World For developers and IT leaders, the rivalry between Windows and Linux necessitates strategic pivots. Hybrid environments that blend both operating systems are becoming commonplace, but full transitions are gaining momentum in cost-sensitive sectors. Educational institutions and government agencies increasingly favor Linux to avoid vendor lock-in, as seen in various European initiatives. The upcoming 40th anniversary of Windows serves as a poignant reminder of the uncertainty that looms over its future. “Its future has never been less certain,” notes a piece from Windows Central, reflecting the challenges posed by AI backlash and intensified competition. A retrospective video from Reuters celebrates Windows’ evolution, yet current discussions on X focus on its vulnerabilities. Ultimately, Linux’s rise presents a formidable challenge to Microsoft’s narrative of inevitability. With projections indicating explosive growth for the open-source movement, it is clear that Linux is not merely approaching Windows—it is already reshaping the operating system landscape for the next 40 years. As users increasingly opt for alternatives, the industry watches closely, contemplating whether this milestone signifies the peak or a pivotal moment for a tech giant." max_tokens="3500" temperature="0.3" top_p="1.0" best_of="1" presence_penalty="0.1" frequency_penalty="frequency_penalty"].41 billion in 2025 to [openai_gpt model="gpt-4o-mini" prompt="Summarize the content and extract only the fact described in the text bellow. The summary shall NOT include a title, introduction and conclusion. Text: As Microsoft approaches the 40th anniversary of Windows on November 20, 2025, the operating system finds itself at a crossroads, facing challenges that could redefine its legacy. Originally launched as a graphical interface for MS-DOS in 1985, Windows has grown into a dominant force, powering billions of devices worldwide. However, recent trends indicate a potential midlife crisis, as Linux, the open-source contender, steadily gains traction among users disillusioned with Windows’ privacy policies, hardware demands, and mandatory updates. The Numbers Speak Volumes Data from StatCounter, highlighted by PCMag, reveals that Linux has surpassed the 5% mark in desktop market share in the U.S. as of June 2025, a significant milestone that coincides with a decline in Windows’ popularity—down over 5% since December 2024. Globally, Windows maintains a 27.39% share across all devices, trailing behind Android’s Linux-based 44.51%. While Windows still commands 71% of the desktop market, this figure has diminished from previous highs, with Linux now holding approximately 3% worldwide, according to It’s FOSS. This gradual shift is particularly evident among tech-savvy users and in emerging markets like India, where cost and customization are driving factors for Linux adoption. Industry analysts have identified several key catalysts for this trend. The impending end of support for Windows 10 in October 2025 has prompted many users to explore alternatives rather than upgrade to Windows 11, which requires TPM 2.0 hardware that excludes older machines. Discussions on platforms like Reddit reveal a growing interest in Linux distributions such as Ubuntu and Fedora, with users sharing their positive experiences. One post noted, “I think everyone here knows that Windows 10 support is ending next year,” reflecting a sentiment that resonates with over 60% of users still on Windows 10 who are considering Linux as a viable option. The Open-Source Insurgency Gains Momentum Linux’s appeal lies in its foundational philosophy: it is free, community-driven, and infinitely customizable. Unlike Windows, which confines users within Microsoft’s ecosystem, Linux offers a variety of distributions tailored for diverse needs, from gaming to enterprise solutions. Fortune Business Insights forecasts that the global Linux market will expand from .41 billion in 2025 to .69 billion by 2032, driven by its dominance in cloud infrastructure and embedded systems. “Linux has become the backbone of enterprise IT,” a report from OpenPR emphasizes, noting its stability and security features that often surpass those of Windows. This growth is not merely theoretical. The recent rise of Linux’s desktop share to 5.03% in the U.S. signifies a cultural shift, as reported by WebProNews. Factors contributing to this change include heightened privacy concerns regarding Windows’ telemetry data collection and the increasing costs associated with proprietary software. User-friendly advancements, such as improved hardware compatibility and tools like Proton for gaming, have lowered barriers to entry. Steam’s hardware survey indicates a growing number of Linux gamers, challenging Windows’ long-standing dominance in the gaming sector. “Linux is making modest gains off the back of growing popularity in emerging markets,” notes ITPro, where affordability often outweighs Windows’ licensing fees. Microsoft’s Legacy Under Siege Tracing the evolution of Windows reveals a remarkable journey, yet one that now appears vulnerable. Launched amid skepticism, Windows 1.0 introduced multitasking and mouse support, revolutionizing personal computing. By the 1990s, Windows 95 solidified its dominance, although antitrust battles exposed monopolistic practices that Linux advocates continue to criticize. Today, with Windows 11 as its flagship, Microsoft grapples with a fragmented market where mobile operating systems, particularly Android, dominate, holding 72% of the smartphone market, according to Wikipedia. The competition extends beyond desktops, with Linux commanding over 90% of the server market, as noted in discussions by tech influencers on X. This infrastructure dominance spills into consumer spaces, as evidenced by Android’s success, showcasing Linux’s scalability. Microsoft’s own initiatives, such as integrating Linux subsystems into Windows through WSL, acknowledge this reality, blurring the lines between competitors. However, as Ars Technica reported in 2023, Linux’s global gains often come at the expense of Windows, although trends in the U.S. have shown fluctuations. Emerging Markets and Future Trajectories In regions like India, Linux’s growth is particularly explosive. ITPro highlights how the adoption of open-source solutions in this region is driving global statistics, as users circumvent Windows’ hardware requirements. This trend reflects broader movements in developing economies, where Linux’s zero-cost entry point democratizes access to technology. Conversations on X amplify this narrative, with users celebrating Linux’s potential and predicting further erosion of Windows’ market share. Microsoft is not remaining idle in this shifting landscape. Investments in Azure, which supports Linux workloads, demonstrate adaptability, yet consumer trust continues to wane with each controversial update. The Recall feature’s privacy issues, for instance, have fueled migrations to Linux. Analysts from TechRadar caution that Linux could soon achieve double-digit desktop share, particularly following the end of Windows 10 support. Strategic Shifts in a Post-Windows World For developers and IT leaders, the rivalry between Windows and Linux necessitates strategic pivots. Hybrid environments that blend both operating systems are becoming commonplace, but full transitions are gaining momentum in cost-sensitive sectors. Educational institutions and government agencies increasingly favor Linux to avoid vendor lock-in, as seen in various European initiatives. The upcoming 40th anniversary of Windows serves as a poignant reminder of the uncertainty that looms over its future. “Its future has never been less certain,” notes a piece from Windows Central, reflecting the challenges posed by AI backlash and intensified competition. A retrospective video from Reuters celebrates Windows’ evolution, yet current discussions on X focus on its vulnerabilities. Ultimately, Linux’s rise presents a formidable challenge to Microsoft’s narrative of inevitability. With projections indicating explosive growth for the open-source movement, it is clear that Linux is not merely approaching Windows—it is already reshaping the operating system landscape for the next 40 years. As users increasingly opt for alternatives, the industry watches closely, contemplating whether this milestone signifies the peak or a pivotal moment for a tech giant." max_tokens="3500" temperature="0.3" top_p="1.0" best_of="1" presence_penalty="0.1" frequency_penalty="frequency_penalty"].69 billion by 2032, driven by its dominance in cloud infrastructure and embedded systems. The rise of Linux's desktop share reflects growing privacy concerns regarding Windows and increasing costs associated with proprietary software. Additionally, Linux commands over 90% of the server market and is gaining traction in gaming, challenging Windows' historical dominance. In regions like India, Linux's growth is fueled by its zero-cost entry point, democratizing access to technology. Analysts suggest that Linux could soon achieve double-digit desktop share, particularly after the end of Windows 10 support.
Winsage
November 18, 2025
Sysmon is a system monitoring tool that traditionally requires users to download and install it from Microsoft's Sysinternals page, often leading to its deployment only after issues arise. Pre-installing Sysmon can enhance proactive monitoring and issue diagnosis. Its effectiveness can be improved through tailored configurations, with resources available from Bleeping Computer for specific use cases like monitoring DNS queries. Additionally, Sysmon can now be installed on Linux systems via the Windows Subsystem for Linux (WSL), increasing its accessibility and versatility for users familiar with Sysmon.
Winsage
November 11, 2025
PowerToys is an open-source collection of utilities that enhances productivity for Windows 11 users, featuring tools like FancyZones for window management and Image Resizer. Google Chrome is a popular web browser known for its synchronization across devices. Steam is a primary gaming platform with a robust library and the ability to stream games to a Steam Deck. The Heroic Games Launcher is a third-party alternative to the Epic Games Launcher, offering customizable features and support for GOG and Amazon Games libraries. GIMP is a powerful open-source photo editing tool that provides advanced features without the cost of commercial software. The Windows Subsystem for Linux (WSL) allows seamless integration between Windows and Linux, supporting applications like Docker Desktop and Visual Studio Code. Spotify is used for audio entertainment, helping users maintain focus during work. Tools like Ninite, the Microsoft Store, and winget streamline the installation of applications on Windows 11, with winstall.app providing a user-friendly interface for generating installation scripts.
Winsage
November 5, 2025
Cyber attackers used the Import-VM and Start-VM PowerShell cmdlets to introduce a virtual machine named WSL into Hyper-V. This virtual machine hosts a compact Alpine Linux environment with two implants, CurlyShell and CurlCat, identified by Bitdefender. CurlyShell uses libcurl to connect to a command-and-control server, creating a reverse shell to execute commands and return outputs. CurlCat functions as a proxy, tunneling SSH traffic through HTTP requests to evade detection by network monitoring tools.
Tech Optimizer
November 5, 2025
Hackers are refining tactics to evade detection by EDR systems and antivirus software, with a notable strategy being the use of Linux malware to infiltrate Windows systems. Investigations by Bitdefender and CERT-GE revealed a campaign by the Russian hacker group Curly COMrades, which exploits the Hyper-V virtualization platform on Windows 10 to create covert access channels. They utilize Alpine Linux for lightweight virtual machines that are difficult to detect, requiring only 120 MB of disk space and 256 MB of RAM. The attackers maintain persistent access using tools like Resocks and Stunnel, starting their activities in early July 2024 by activating Hyper-V on compromised systems and deploying misleading virtual machines labeled “WSL.” They introduced custom malware, CurlyShell and CurlCat, for communication and remote access. This trend of using Linux malware against Windows systems is growing, as seen in recent Qilin ransomware attacks documented by Trend Micro.
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