#kb5084597

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Windows 11 laptop displaying security update notification screen

KB5084597

Windows Update

KB ArticleWindows

KB5084597 — March 2026 Out-of-Band Hotpatch Security Update

KB5084597 is an out-of-band hotpatch security update released March 13, 2026, addressing critical vulnerabilities in Windows 11 Version 24H2 and 25H2 systems for both x64 and ARM64 architectures.

Mar 1312 min