.NET 8/9 support ends Nov 10, 2026; Windows Server 2012 ESU ends Oct 13. What each deadline covers, the 2012 R2 to 2025 direct in-place upgrade, and how to track both.
GitHub disabled 73 Microsoft repos after an Azure/durabletask commit. Miasma used Claude Code, Gemini CLI, Cursor, and VS Code config, not npm install.
RedSun (CVE-2026-41091) and UnDefend (CVE-2026-45498) are confirmed exploited and in CISA KEV. A patched Windows isn't enough: how to check your Defender engine 1.1.26040.8 / platform 4.18.26040.7.
Microsoft's 2011 Secure Boot CAs expire June and October 2026. Secure Score check MC1293483 tracks fleet readiness; KB5025885 applies a two-phase rollover via the AvailableUpdates registry (0x140 → 0x280). BlackLotus-driven 2023 CA migration finally collides with the natural 15-year cert expiry.
Claude's new Microsoft Purview connector surfaces ~30 audit event types and on-demand chat/file access — but not prompts, model names, or tool calls. Claude Code goes through OpenTelemetry separately. Enterprise plan only; Team and consumer plans excluded.
Microsoft assigned CVE-2026-45585 to YellowKey: strip autofstx.exe from WinRE BootExecute and move TPM-only BitLocker to TPM+PIN. No patch ETA; Chaotic Eclipse claims a TPM+PIN bypass PoC.
Chaotic Eclipse's MiniPlasma takes SYSTEM on fully patched Windows 11 May 2026 by re-triggering CVE-2020-17103 in cldflt.sys, the same bug James Forshaw reported in 2020 and Microsoft supposedly fixed that December. Will Dormann confirmed the PoC works; the latest Insider Canary blocks it. No new CVE assigned yet, and the regression sits next to the actively exploited CVE-2025-62221 in the same driver.
Chaotic Eclipse released YellowKey and GreenPlasma PoCs one day after May 2026 Patch Tuesday. A USB-borne FsTx folder plus a Ctrl-key reboot drops cmd.exe inside WinRE on a BitLocker-protected machine. Covers WinRE-only behavior, the CTFMON SYSTEM elevation path, the RedSun silent-patch dispute, and what defenders can actually do while unpatched.
137 CVEs, no zero-days. Netlogon and DNS Client RCEs (both CVSS 9.8) lead — compared against ZeroLogon/SIGRed, with patch priority tiers and detection notes for SOC teams.
Microsoft's second-largest Patch Tuesday ever. SharePoint Server XSS zero-day (CVSS 6.5) confirmed in active exploitation and added to CISA KEV. Windows Defender BlueHammer LPE (CVSS 7.8) has a full public PoC. Also includes a wormable IKE RCE at CVSS 9.8.
CISA added 7 actively exploited vulnerabilities to the KEV catalog including FortiClient EMS SQL injection (CVSS 9.1). Federal deadline is April 16 for Fortinet, April 27 for the remaining six.
Foundry Local is a local AI runtime that embeds into apps via package managers as a ~20MB native library. Built on ONNX Runtime with automatic GPU/NPU selection, it runs Phi, Qwen, Mistral and more offline through an OpenAI-compatible API.
