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Browse articles tagged Windows 11.
Microsoft released KB5089466, a restart-free security hotpatch for Windows 11 versions 24H2 and 25H2, on May 12, 2026. The update addresses multiple high-severity vulnerabilities across the Windows kernel, networking stack, authentication, drivers and services, raising builds to 26100.8390 and 26200.8390.
Microsoft released KB5089549 on May 12, 2026, a cumulative security update for Windows 11 24H2 and 25H2 that patches three vulnerabilities — a kernel elevation of privilege, a DirectX graphics memory corruption, and a networking authentication bypass — while raising builds to 26100.8457 and 26200.8457.
KB5083631 is the April 2026 optional preview for Windows 11 24H2/25H2 (Builds 26200.8328/26100.8328). Features: Xbox Mode, Agents on Taskbar, haptic feedback, FAT32 2TB, driver policy hardening.
Microsoft released KB5083769 on April 14, 2026, a critical security update for Windows 11 version 25H2 and 24H2 that addresses six CVEs across the Windows Kernel, Edge WebView2, Graphics Component, Common Log File System and Print Spooler. The update moves systems to build 26200.8246 (25H2) or 26100.8246 (24H2).
KB5082052 is the April 2026 Patch Tuesday update for Windows 11 23H2 (Build 22631.6936) with Secure Boot cert status in Windows Security, RDP phishing protection, MS account sign-in fix, and vulnerable driver blocklist update.
Microsoft released KB5082420 on April 14, 2026, a cumulative update for .NET Framework 3.5 and 4.8.1 on Windows 11 24H2 patching CVE-2026-0847 (CLR EoP), ASP.NET memory corruption, WCF failures, and ARM64 compatibility issues.
Microsoft released KB5082063 on April 14, 2026, a security update for Windows 11 24H2 and Windows Server 2025 patching 6 CVEs including kernel EoP, TCP/IP RCE, Hyper-V escape, and auth token manipulation.
Microsoft released out-of-band cumulative update KB5086672 for Windows 11 versions 25H2 and 24H2 on March 31, 2026, fixing an installation failure (error 0x80073712) that blocked the pulled March 2026 non-security preview update KB5079391. The OOB update raises builds to 26200.8117 and 26100.8117.
