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March 10, 2026—KB5079473 (OS Builds 26200. 8037 and 26100. 8037 . . . This cumulative update for Windows 11, version 25H2 and 24H2 (KB5079473), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained
March 21, 2026—KB5085516 (OS Builds 26200. 8039 and 26100. 8039) Out-of . . . This out-of-band update for Windows 11, version 25H2 and 24H2 (KB5085516) is cumulative It includes updates from previous security and non-security releases, along with an additional fix To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained For information
What’s new in Microsoft Sentinel: RSAC 2026 Microsoft provides step-by-step guidance for configuring a custom connector in Claude that securely connects to a Sentinel MCP server With this connection you can summarize incidents, investigate alerts, and reason over security signals while keeping data inside Microsoft's security boundary
