patch tuesday

Microsoft confirmed on May 15, 2026, that Windows 11 security update KB5089549 can fail to install on some version 24H2 and 25H2 devices when the hidden EFI System Partition has roughly 10MB or less of free space available. The failure usually appears during the reboot phase, around 35 to 36...

Microsoft patched CVE-2026-20841, a high-severity Windows 11 Notepad remote code execution vulnerability, in the February 2026 Patch Tuesday cycle, after researchers found that Markdown links could make the modern Notepad app launch unsafe protocol handlers and execute remote files under the...

Microsoft’s May 12, 2026 Patch Tuesday release shipped Windows 11 cumulative update KB5089549 for versions 24H2 and 25H2, alongside fixes for 137 Microsoft-tracked vulnerabilities across Windows, Office, Azure, SharePoint, Dynamics 365, and related services. The Daily Express is right about the...

Microsoft confirmed on May 15, 2026, that Windows 11 security update KB5089549 can fail to install on version 24H2 and 25H2 systems when the EFI System Partition has 10 MB or less of free space. The visible error is usually 0x800f0922, but the real story is less about one bad patch than about...

Microsoft’s May 12, 2026 Windows 11 security update KB5089549 is now under scrutiny after a public proof-of-concept called MiniPlasma claimed to revive CVE-2020-17103, a Windows Cloud Files Mini Filter Driver privilege-escalation flaw first addressed in December 2020. The uncomfortable part is...

Microsoft released KB5089593 and KB5089591 on May 12, 2026, as Safe OS Dynamic Updates for Windows 11, updating the Windows Recovery Environment on supported 24H2, 25H2, and 26H1 systems while arriving alongside this month’s broader Patch Tuesday deployment packages. The packages are not...

Microsoft released KB5089593 and KB5087594 on May 12, 2026, as Safe OS Dynamic Updates for Windows 11, updating the Windows Recovery Environment for versions 24H2/25H2 and 23H2 alongside related recovery updates for Windows 10 and older supported Windows Server branches. The headline is not that...

Microsoft released a new round of Safe OS Dynamic Updates on May 12, 2026, including KB5089593 for Windows 11 versions 24H2 and 25H2 and KB5087594 for Windows 11 version 23H2, to update the Windows Recovery Environment before or during servicing and deployment. The point is not glamour; it is...

Microsoft’s May 12, 2026 cumulative update for Windows 11, KB5089549, is reportedly failing to install on some Windows 11 24H2 and 25H2 systems, while a smaller set of users says the same patch has reduced internet performance after installation. The important word is reportedly, because...

Microsoft’s official Windows 11 Media Creation Tool is now serving installation media that includes the May 12, 2026 cumulative update KB5089549, bringing clean USB installs for Windows 11 version 25H2 to build 26200.8457 and version 24H2 to build 26100.8457. That sounds like housekeeping, but...

Microsoft’s May 12, 2026 Patch Tuesday fixes CVE-2026-41096, a critical Windows DNS Client remote code execution vulnerability rated CVSS 9.8 that affects supported Windows client and server systems and can be triggered over the network without authentication or user interaction. That is the dry...

Microsoft updated Windows 11 version 26H1 on May 12, 2026, with cumulative update KB5089548, moving the hardware-specific branch to OS Build 28000.2113 for selected new devices rather than existing Windows 11 PCs. That distinction is the story. The update itself is ordinary Patch Tuesday...

Microsoft released KB5087544 on May 12, 2026, for Windows 10 Enterprise LTSC 2021, Windows 10 IoT Enterprise LTSC 2021, and eligible Extended Security Updates systems, fixing May Patch Tuesday security flaws while correcting Remote Desktop warning behavior and Secure Boot reporting. The update...

Microsoft released KB5089549 for Windows 11 versions 24H2 and 25H2 on May 12, 2026, bringing systems to OS builds 26100.8457 and 26200.8457, while early user reports now claim the update is failing to install or degrading network performance on some PCs. The evidence so far is messy, narrow, and...

Microsoft released its May 2026 Patch Tuesday updates on May 12 for Windows 11, Windows Server, Microsoft Office, Azure, Dynamics 365, Edge, and related products, fixing roughly 138 reported vulnerabilities, including about 30 rated critical and no flaws Microsoft listed as publicly known or...

Microsoft’s May 12, 2026 Patch Tuesday update for Windows 11 versions 24H2 and 25H2 rolls the April KB5083631 preview into the mandatory KB5089549 cumulative release, bringing Xbox mode, broader haptic feedback support, File Explorer fixes, security patches, and other quality-of-life changes to...

Microsoft released Windows 11 cumulative updates KB5089549 and KB5087420 on May 12, 2026, moving versions 25H2 and 24H2 to builds 26200.8457 and 26100.8457, and version 23H2 to build 22631.7079, across its regular Patch Tuesday servicing channels. The headline is security, but the story is...

Microsoft’s May 2026 Patch Tuesday, released on May 12, delivered fixes for at least 118 documented vulnerabilities across Windows, Office, Azure, Dynamics, SQL Server, Edge, Teams, SharePoint, and related products, while major vendors including Apple, Google, Mozilla, and Oracle also pushed...

Microsoft’s May 2026 Patch Tuesday update for Windows 11 began rolling out globally on May 12 as KB5089549, but its headline Xbox Mode feature remains gated by market availability and Microsoft’s controlled rollout system rather than appearing instantly on every updated PC. That split between...

Microsoft disclosed CVE-2026-42832, a Microsoft Office spoofing vulnerability, in its Security Update Guide on May 12, 2026, as part of the latest Patch Tuesday cycle for customers tracking Office security exposure across Windows fleets. The interesting part is not simply that Office has another...