Patch Tuesday updates Archives

Winsage

February 16, 2026

Windows 11 KB5077181 Security Update Causing Some Devices to Restart in an Infinite Loop

Microsoft's security update KB5077181, released on February 10, 2026, for Windows 11 versions 24H2 and 25H2, has caused critical boot failures, leading to infinite restart loops for users. The update addresses 58 vulnerabilities, including six zero-day exploits, and introduces new Secure Boot certificates. Users have reported errors such as “a specified procedure could not be found” and DHCP failures, with installation errors like 0x800f0983 and 0x800f0991 affecting specific hardware. To resolve issues, users are advised to uninstall the update and pause Windows Update. Accessing the Windows Recovery Environment may also be necessary for persistent boot loops. While some users experienced improvements, the overall instability highlights risks associated with updates. Microsoft has not acknowledged any known issues related to this update as of February 15.

Winsage

February 15, 2026

Microsoft Blocks Credential Autofill to Fix Windows Hello Flaw

Microsoft has blocked credential autofill functionality in Windows 11 as part of the February 2026 Patch Tuesday updates to address the critical vulnerability CVE-2026-20804, which allows unauthorized access by tampering with Windows Hello authentication. This vulnerability was first identified in August 2025 and allows local administrators to inject biometric data. The restriction was documented in the January 2026 Patch Tuesday release notes. Enhanced Sign-in Security (ESS) operates at a hypervisor virtual trust level but is limited by hardware compatibility issues, particularly affecting AMD-based systems. Post-update, credential dialogs do not respond to virtual keyboard inputs from remote desktop or screen-sharing applications, preventing autofill during remote support sessions. Microsoft has provided a risky workaround that allows applications to operate with elevated administrator privileges, but this reintroduces the vulnerability. Organizations must now choose between disrupted remote support workflows or risking exposure to credential injection attacks, leading to operational challenges for IT teams and help desk staff.

Winsage

February 12, 2026

February 2026 Patch Tuesday includes six actively exploited zero-days

Microsoft released security updates on the second Tuesday of each month, addressing 59 vulnerabilities this month, including six critical zero-day exploits. 1. CVE-2026-21510: Windows Shell security feature bypass vulnerability (CVSS score 8.8) allows attackers to circumvent Windows SmartScreen by tricking users into opening malicious links or shortcuts. 2. CVE-2026-21513: MSHTML Framework security feature bypass vulnerability (CVSS score 8.8) enables attackers to weaken browser protections by persuading users to open malicious HTML files or shortcuts. 3. CVE-2026-21514: Microsoft Word security feature bypass vulnerability (CVSS score 5.5) allows attackers to exploit untrusted inputs in malicious Word documents to execute blocked content. 4. CVE-2026-21519: Desktop Window Manager elevation of privilege vulnerability (CVSS score 7.8) allows low-privileged attackers to gain higher privileges without user interaction. 5. CVE-2026-21525: Windows Remote Access Connection Manager denial-of-service vulnerability (CVSS score 6.2) can be exploited by unauthenticated local attackers to crash the service without compromising confidentiality or integrity. 6. CVE-2026-21533: Windows Remote Desktop Services elevation of privilege vulnerability (CVSS score 7.8) allows local authenticated attackers to escalate privileges to SYSTEM without user interaction. Additionally, Azure users should be aware of two critical vulnerabilities with CVSS ratings of 9.8.

Winsage

February 11, 2026

Windows 11 KB5077181 & KB5075941 cumulative updates released

Microsoft has released cumulative updates KB5077181 and KB5075941 for Windows 11, affecting versions 25H2, 24H2, and 23H2, which include the February 2026 Patch Tuesday security patches. Users can install these updates via Start > Settings > Windows Update or manually from the Microsoft Update Catalog. The build numbers will change to 26200.7840 for 25H2, 26100.7840 for 24H2, and 226x1.6050 for 23H2. Key enhancements include: - Fixed gaming device eligibility issues. - Resolved connectivity issues with WPA3-Personal Wi-Fi networks. - Introduced new Secure Boot certificate targeting data. - New Cross Device Resume feature for continuing activities from Android phones on PCs. - Enhanced MIDI support for musicians with compatibility for MIDI 1.0 and 2.0. - Improved Narrator control over on-screen announcements. - New Device card in Settings for PC specifications. - Ability to toggle Smart App Control without a clean installation. - Revamped Voice Access setup process. - New Wait time setting for Voice Typing commands. - Enhanced sign-in security for Windows Hello with peripheral fingerprint sensors. No new issues have been reported with this month's updates.

Winsage

January 30, 2026

Windows 11 KB5074105 update fixes boot, sign-in, and activation issues

Microsoft has released the KB5074105 preview cumulative update for Windows 11, which includes 32 enhancements to improve user experience. This optional update allows administrators to test upcoming fixes and features before the next Patch Tuesday. It addresses issues such as Explorer.exe hanging during login with specific startup apps, system unresponsiveness during startup with Windows Boot Manager debugging enabled, iSCSI boot failures, and problems with Windows license migrations during upgrades. The update elevates Windows 11 25H2 and 24H2 devices to builds 26200.7705 and 26100.7705, respectively. Key highlights include enhanced Cross-Device Resume functionality, support for peripheral fingerprint sensors in Windows Hello Enhanced Sign-in Security, fixes for unresponsiveness when running Windows Terminal with elevated permissions, resolution of GPU-related system errors, and improvements to Windows Sandbox. Microsoft will also introduce distinct identifiers for Windows 11 and Windows Server 2025 updates starting with the January 2026 security update, and has simplified update titles for better accessibility.

Winsage

January 27, 2026

Microsoft Keeps Adding Windows Features, But Trust Keeps Eroding

Windows 11 has received mixed reviews, with users expressing dissatisfaction primarily due to unexpected changes, mandatory decisions, and problematic updates rather than performance issues. Microsoft frequently introduces new features, but these are often met with resistance due to a lack of user consent and clear communication. Recent Patch Tuesday updates have led to complications, diminishing user trust. Users desire clarity about changes, optional features, and centralized privacy controls. They seek a clearer relationship with Microsoft, which includes no advertisements in core interfaces, no mandatory features without opt-in, transparent communication, and meaningful feedback mechanisms. The bond between Microsoft and its users is strained, requiring clarity and consistency to rebuild trust.

Winsage

January 26, 2026

Microsoft issues SECOND emergency out of band update for Windows 11 to address disastrous Patch Tuesday bugs

Microsoft's January 2026 Patch Tuesday updates for Windows 11 have caused significant user frustration, leading to two emergency out-of-band updates within a week to address critical issues. The latest emergency update, KB5078127, was released to fix problems that made applications like Outlook, OneDrive, and Dropbox inoperable after the January 13 updates. Initially, users were advised to uninstall the updates as a temporary fix. The first emergency update on January 17 aimed to resolve shutdown and hibernation failures for version 23H2 and issues with Remote Desktop sign-in, but it inadvertently caused further disruptions to essential applications. The Windows release health dashboard remains a key resource for users seeking updates on ongoing issues.

Winsage

January 18, 2026

Windows 11 KB5074109 issues: black screen, freezes Outlook POP, breaks Azure Virtual Desktop, LocalizedResourceName (desktop.ini)

Windows 11 KB5074109 has caused several issues for users, particularly those with Nvidia GPUs, including black screens, Outlook freezing with POP accounts, and problems with File Explorer's desktop.ini settings. Users have reported random black screens and desktop freezes after installing the update, with some finding temporary relief by changing their monitor's DisplayPort mode. Outlook Classic has been problematic, remaining active in the background and freezing shortly after opening, prompting users to terminate the process in Task Manager or uninstall the update. Additionally, the update disrupts Azure Virtual Desktop functionality, leading to sign-in failures and connection issues. Microsoft has acknowledged these problems and is investigating solutions, including a Known Issue Rollback for AVD. The update also breaks the LocalizedResourceName directive in File Explorer, preventing folder name customization. Users can uninstall the update through Settings, but this may expose them to security vulnerabilities.

Winsage

January 14, 2026

U.S. CISA adds a flaw in Microsoft Windows to its Known Exploited Vulnerabilities catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a Microsoft Windows vulnerability, CVE-2026-20805, to its Known Exploited Vulnerabilities (KEV) catalog, with a CVSS score of 8.7. This vulnerability, part of the January 2026 Patch Tuesday updates, affects the Windows Desktop Window Manager and allows attackers to leak memory information, potentially aiding in further exploits. Federal Civilian Executive Branch agencies must address this vulnerability by February 3, 2026, as mandated by Binding Operational Directive 22-01.

Winsage

January 6, 2026

Windows 11 AI components are getting their own changelogs (release history), as Microsoft plans model updates

Microsoft has released a support document titled “Release information for AI components” that details the AI components integrated into Windows 11, which can be installed through Windows Update or accessed via the Microsoft Update Catalog. These components are essential for enabling various AI models to operate locally on devices, and installations typically occur automatically on compatible PCs with 40+ TOPs of NPU. The size of Windows 11 Patch Tuesday updates has increased significantly, now ranging from 4-5GB, compared to previous updates that were under 800MB. Users can manage AI components through Settings > System > AI Components, although this page is empty for older PCs. The changelog includes individual components like the Settings Model, Image Search, Semantic Analysis, and Content Extraction, as well as lower-level elements such as Execution Provider. Updates for these AI models occur every few weeks, often without visible changes.