Read the docs
TI-2024-13495 Aliases CVE-2024-20684GHSA-gg34-hfvm-v359

Windows Hyper-V Denial of Service Vulnerability

Priority LOW 31CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

Windows Hyper-V Denial of Service Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0103 63rd percentileScored 2026-11-07
Fix Fixed Microsoft: 4 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 11 version 21H210.0.0 to before 10.0.22000.277710.0.22000.2777Patch availableCNA
MicrosoftWindows 11 version 22H210.0.22621.0 to before 10.0.22621.315510.0.22621.3155Patch availableCNA
MicrosoftWindows 11 version 22H310.0.22631.0 to before 10.0.22631.315510.0.22631.3155Patch availableCNA
MicrosoftWindows 11 Version 23H210.0.22631.0 to before 10.0.22631.315510.0.22631.3155Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.232210.0.20348.2322Patch availableCNA
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to before 10.0.25398.70910.0.25398.709Patch availableCNA
  • Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.2777 Fixed in 10.0.22000.2777 Patch available CNA
  • Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.3155 Fixed in 10.0.22621.3155 Patch available CNA
  • Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.3155 Fixed in 10.0.22631.3155 Patch available CNA
  • Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.3155 Fixed in 10.0.22631.3155 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.2322 Fixed in 10.0.20348.2322 Patch available CNA
  • Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.709 Fixed in 10.0.25398.709 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*before 10.0.22000.2777VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*before 10.0.22621.3155VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*before 10.0.22631.3155VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*before 10.0.20348.2322VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*before 10.0.25398.709VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* Versions before 10.0.22000.2777 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.3155 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.3155 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.2322 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.709 Vulnerable ·Microsoft

Remediation

Microsoft 4 updates

  • KB5034770
    Security Update
    • Windows Server 2022 10.0.20348.2322
    • Windows Server 2022 (Server Core installation) 10.0.20348.2322
  • KB5034769
    Security Update
    • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.709
  • KB5034766
    Security Update
    • Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.2777
    • Windows 11 version 21H2 for x64-based Systems 10.0.22000.2777
Show 1 more Microsoft updates
  • KB5034765
    Security Update
    • Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.3155
    • Windows 11 Version 22H2 for x64-based Systems 10.0.22621.3155
    • Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.3155
    • Windows 11 Version 23H2 for x64-based Systems 10.0.22631.3155

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Denial of Service
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-20684
  2. 2026-10-03 Alias added: GHSA-gg34-hfvm-v359

References

Patch 1

  • TI-2024-29106 Windows MSHTML Platform Spoofing Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-19802 Windows MSHTML Platform Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-19751 SmartScreen Prompt Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2023-18080 Windows SmartScreen Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2023-15353 Windows SmartScreen Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2023-08061 Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
See all 1000 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences