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High7.0Microsoft Server Updated

High [CVE-2026-69401] Audio Video Control Transport Protocol Elevation of Privilege Vulnerability

This high-severity Microsoft Server advisory covers CVE-2026-69401 affecting Windows Server 2025.

CVE-2026-69401 Published Sep 8, 2026Updated by vendor Sep 8, 2026
Affected products & platforms
Microsoft ServerWindows Server
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Summary

Audio Video Control Transport Protocol Elevation of Privilege Vulnerability

Affected product named by the advisory: Windows Server 2025.

Affected versions
  • Windows 11 Version 24H2 10.0.26100.0 before 10.0.26100.9445
  • Windows 11 Version 25H2 10.0.26200.0 before 10.0.26200.9445
  • Windows 11 version 26H1 10.0.28000.0 before 10.0.28000.2954
  • Windows Server 2025 10.0.26100.0 before 10.0.26100.33438
  • Windows Server 2025 (Server Core installation) 10.0.26100.0 before 10.0.26100.33438

Official advisory · high-confidence parse· fetched 3 hours ago·verify at source

Fixed versions
  • KB5122871 (build 10.0.26100.33438)
  • KB5124008 (build 10.0.26100.9445)
  • KB5124012 (build 10.0.28000.2954)

Official advisory · high-confidence parse· fetched 3 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Install the applicable security update for your platform: KB5122871, KB5124008, KB5124012 (see the Microsoft Update Catalog).

Official advisory · high-confidence parse· fetched 3 hours ago·verify at source

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