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Microsoft KB5084597 hotpatch for Windows 11 RRAS RCE flaws

Security Patch Release
First reported
Last updated
Happening score
H score 30
1 unique sources, 2 articles

Summary

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Microsoft released KB5084597 as an out-of-band hotpatch for Windows 11 Enterprise devices, closing RRAS remote-code-execution flaws that affect hotpatch-managed systems. The update covers Windows 11 25H2, 24H2, and Windows 11 Enterprise LTSC 2024. Microsoft says the fix is cumulative and includes the March 2026 security-update changes. The release matters because eligible devices can get the remediation without a restart, which is useful for mission-critical remote management environments.

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Timeline

  1. 14.03.2026 23:48 1 articles · 4mo ago

    KB5084597 hotpatch release for Windows 11 RRAS flaws

    Mitigation Patch Update

    Microsoft released KB5084597 as an out-of-band hotpatch for Windows 11 Enterprise devices using hotpatch updates, delivering cumulative fixes for remote code execution in the Windows Routing and Remote Access Service (RRAS) management tool across Windows 11 versions 25H2 and 24H2 and Windows 11 Enterprise LTSC 2024.

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  2. 14.03.2026 23:48 2 articles · 4mo ago

    Microsoft disclosure of KB5084597 scope and deployment

    Initial Disclosure

    Microsoft disclosed that KB5084597 covers CVE-2026-25172, CVE-2026-25173, and CVE-2026-26111, and that the hotpatch is limited to enrolled Enterprise client devices managed through Windows Autopatch where it installs automatically without a restart.

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