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Windows 10/11 Patch Day March: Microsoft delivers the big security update, but as usual, the real message is in the fine print
Winsage
March 12, 2026

Windows 10/11 Patch Day March: Microsoft delivers the big security update, but as usual, the real message is in the fine print

In March, Microsoft released cumulative security updates for Windows 10 and Windows 11, with support for certain versions continuing until March 2026. The updates include KB5079466 for Windows 11 version 26H1, KB5079473 for versions 24H2 and 25H2, KB5078883 for version 23H2, and KB5078885 for Windows 10 version 22H2. These updates will be distributed via Windows Update, the Microsoft Update Catalog, and WSUS for enterprise environments. This month, Microsoft combined the Servicing Stack Update (SSU) with the Latest Cumulative Update, simplifying the update process. Key enhancements include improvements to Secure Boot, with expanded device target data for new certificates, and security enhancements for Explorer’s search functionality in Windows 11 versions 24H2 and 25H2. A fix for Windows Defender Application Control (WDAC) was also implemented, addressing issues with COM objects under certain policy configurations. The Windows System Image Manager received a new warning dialog for confirming the trustworthiness of catalog files, which is important for enterprise environments. Updates for Windows 10 22H2, despite its end-of-life status, included fixes for secure boot issues and improvements for file version history in the Control Panel. An SSU for Windows 11 (KB5077869) was also released to maintain update stability. Microsoft's updates scheduled for March 2026 will address vulnerabilities in components like the Windows App Installer, SQL Server, and Microsoft Office. The Security Update Guide provides detailed information on specific vulnerabilities and affected components.
Microsoft releases Windows 10 KB5078885 extended security update
Winsage
March 11, 2026

Microsoft releases Windows 10 KB5078885 extended security update

Microsoft has released the Windows 10 KB5078885 extended security update, which addresses vulnerabilities identified during the March 2026 Patch Tuesday. This update resolves two zero-day vulnerabilities and a critical issue preventing certain devices from shutting down properly. Users of Windows 10 Enterprise LTSC or those in the ESU program can install it via Settings under Windows Update. The update upgrades Windows 10 to build 19045.7058 and Windows 10 Enterprise LTSC 2021 to build 19044.7058. The update focuses on security enhancements and bug fixes, addressing a total of 79 vulnerabilities, including two actively exploited ones. Key fixes include: - A new warning dialog in Windows System Image Manager for confirming trusted catalog files. - Enhancements to File History for backing up files with specific Chinese and Private Use Area characters. - Stability improvements for specific GPU configurations. - Additional high-confidence device targeting data for Secure Boot certificates. - Adjustments to Chinese fonts for compliance with GB18030-2022A standards. - A fix for Secure Launch-capable PCs with Virtual Secure Mode unable to shut down or hibernate after a previous security update. - Resolution of an issue affecting folder renaming with desktop.ini files in File Explorer. The update also addresses a known issue preventing Windows 10 devices from shutting down or hibernating when System Guard Secure Launch is enabled. Microsoft is deploying new Secure Boot certificates to replace those expiring in June 2026, which are crucial for validating boot components and preventing security risks. There are currently no known issues associated with this update.
silver Android smartphone
Tech Optimizer
February 25, 2026

Fix “kernel security check failure”: Step-by-step guide

The "kernel security check failure" error on Windows indicates corruption in critical system memory or internal data structures, triggering a bug check to prevent further damage. It is marked by the Blue Screen of Death (BSOD) displaying the message “KERNELSECURITYCHECK_FAILURE” and stop code 0x139. Causes include outdated or incompatible drivers, corrupted system files, faulty RAM, disk errors, third-party software conflicts, faulty Windows updates, overclocking, and malware threats. Common fixes involve updating Windows and drivers, scanning for corrupted files, using Check Disk (CHKDSK), running Windows Memory Diagnostic, and performing System Restore. If unresolved, a clean installation of Windows may be necessary. Regular updates and avoiding unnecessary software installations can help prevent future occurrences.
Microsoft updates Windows DLL that triggered security alerts
Winsage
January 15, 2026

Microsoft updates Windows DLL that triggered security alerts

Microsoft has resolved an issue where third-party security applications mistakenly flagged the WinSqlite3.dll component of the Windows operating system as vulnerable. This issue affected various systems, including Windows 10, Windows 11, and Windows Server 2012 through 2025. The flagged vulnerability was linked to a memory corruption issue (CVE-2025-6965). Microsoft released an update to the WinSqlite3.dll component in updates from June 2025 and later, advising users to install the latest updates for their devices. WinSqlite3.dll is a core component of Windows, distinct from sqlite3.dll, which is not part of the operating system. Microsoft had previously addressed other false positive issues affecting its Defender for Endpoint platform.
Microsoft Fixes 114 Windows Flaws in January 2026 Patch, One Actively Exploited
Winsage
January 14, 2026

Microsoft Fixes 114 Windows Flaws in January 2026 Patch, One Actively Exploited

On Tuesday, Microsoft released its first security update for 2026, addressing 114 vulnerabilities, including eight classified as Critical and 106 as Important. The vulnerabilities include 58 related to privilege escalation, 22 concerning information disclosure, 21 linked to remote code execution, and five categorized as spoofing flaws. A notable vulnerability, CVE-2026-20805, involves information disclosure within the Desktop Window Manager (DWM) and has a CVSS score of 5.5. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added this flaw to its Known Exploited Vulnerabilities catalog, requiring federal agencies to implement fixes by February 3, 2026. Additionally, Microsoft announced the expiration of three Windows Secure Boot certificates issued in 2011, effective June 2026, urging customers to transition to newer certificates to avoid disruptions. The update also removed vulnerable Agere Soft Modem drivers due to a local privilege escalation flaw (CVE-2023-31096) and addressed another critical privilege escalation flaw in Windows Virtualization-Based Security (CVE-2026-20876) with a CVSS score of 6.7. Other vendors, including Adobe, Amazon Web Services, and Cisco, have also released security patches for various vulnerabilities.
Windows 11 has a hidden feature that barely anyone knows exists, and Microsoft just made a crucial update that could actually make it useful | Attack of the Fanboy
Winsage
January 12, 2026

Windows 11 has a hidden feature that barely anyone knows exists, and Microsoft just made a crucial update that could actually make it useful | Attack of the Fanboy

Windows 11 introduces a feature called Resume, or Cross Device Resume (XDR), which allows users to switch from an app on their phone to their Windows PC. The feature currently has limited app support, mainly functioning with Spotify and Microsoft 365. Microsoft is working to enhance this feature by allowing a broader range of Android applications to utilize Windows Resume. An update has introduced an alternative method for developers to connect their applications to Resume using the Windows Push Notification Service (WNS), addressing previous limitations. Developers must submit a request to Microsoft to enable Resume for their applications, and the app must be available on both Windows and Android for the feature to work effectively.
Your Windows on ARM laptop could someday play real PC games
Winsage
December 4, 2025

Your Windows on ARM laptop could someday play real PC games

The Lisuan 7G106 is the first discrete graphics card to operate on Windows on ARM, successfully executing the 3DMark Time Spy benchmark. This marks a significant milestone for the ARM ecosystem, confirming real discrete GPU driver support. The demonstration indicates essential rendering, driver, and API support are operational, suggesting potential for ARM PCs to cater to gaming laptops and high-performance desktops. This development challenges major graphics companies like NVIDIA, AMD, and Intel to consider entering the Windows on ARM market. While the Lisuan GPU is not yet market-ready, it serves as a crucial proof-of-concept for future advancements in ARM computing.
Windows: New “Digital Signage Mode” Ends Bluescreens
Winsage
November 23, 2025

Windows: New “Digital Signage Mode” Ends Bluescreens

The new Digital Signage Mode introduced by Microsoft allows Windows to display system error messages, such as the Blue Screen of Death, for only 15 seconds before turning the screen black. This feature aims to prevent public visibility of technical errors on digital signage while still allowing support teams to address issues. The mode also applies to other disruptive Windows dialogs, but it is specifically designed for non-interactive public displays and does not extend to kiosks, which require direct user interaction. The mode can be enabled through the Windows Settings app or a registry key.
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