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High7.5Microsoft Server

High [CVE-2024-43506] BranchCache Denial of Service Vulnerability

This high-severity Microsoft Server advisory covers CVE-2024-43506 affecting Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2012 (Server Core installation), Windows Server 2012 R2 (Server Core installation).

CVE-2024-43506 Published Oct 8, 2024Updated by vendor Aug 19, 2026
CVE-2024-43506
Affected products & platforms
Microsoft ServerWindows Server
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Summary

BranchCache Denial of Service Vulnerability

Affected products named by the advisory: Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2012; Windows Server 2012 (Server Core installation); and 8 more.

Affected products named by the advisory: Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); Windows Server 2022, 23H2 Edition (Server Core installation).

Affected versions
  • Windows 10 Version 1507 10.0.10240.0 before 10.0.10240.20796
  • Windows 10 Version 1607 10.0.14393.0 before 10.0.14393.7428
  • Windows 10 Version 1809 10.0.17763.0 before 10.0.17763.6414
  • Windows 10 Version 21H2 10.0.19043.0 before 10.0.19044.5011
  • Windows 10 Version 22H2 10.0.19045.0 before 10.0.19045.5011
  • Windows 11 version 21H2 10.0.22000.0 before 10.0.22000.3260
  • Windows 11 version 22H2 10.0.22621.0 before 10.0.22621.4317
  • Windows 11 version 22H3 10.0.22631.0 before 10.0.22631.4317
  • Windows 11 Version 23H2 10.0.22631.0 before 10.0.22631.4317
  • Windows 11 Version 24H2 10.0.26100.0 before 10.0.26100.2033
  • Windows Server 2008 R2 Service Pack 1 6.1.7601.0 before 6.1.7601.27366
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 before 6.1.7601.27366

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions
  • 10.0.10240.20796
  • 10.0.14393.7428
  • 10.0.17763.6414
  • 10.0.19044.5011
  • 10.0.19045.5011
  • 10.0.22000.3260
  • 10.0.22621.4317
  • 10.0.22631.4317
  • 10.0.26100.2033
  • 6.1.7601.27366
  • 6.2.9200.25118
  • 6.3.9600.22221

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation

Upgrade to a fixed release: 10.0.10240.20796, 10.0.14393.7428, 10.0.17763.6414, 10.0.19044.5011, 10.0.19045.5011, 10.0.22000.3260. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Discussion(0)

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