Windows Hyper-V Denial of Service Vulnerability
Priority LOW 30CWE-591Published · 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 0.00579 47th percentileScored 2026-11-07
Fix Fixed Microsoft: 3 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 to before 10.0.22621.4460 | 10.0.22621.4460 | Patch available | CNA |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 to before 10.0.22631.4460 | 10.0.22631.4460 | Patch available | CNA |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 to before 10.0.22631.4460 | 10.0.22631.4460 | Patch available | CNA |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 to before 10.0.26100.2314 | 10.0.26100.2314 | Patch available | CNA |
- Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.4460 Fixed in 10.0.22621.4460 Patch available CNA
- Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.4460 Fixed in 10.0.22631.4460 Patch available CNA
- Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.4460 Fixed in 10.0.22631.4460 Patch available CNA
- Windows 11 Version 24H2 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.2314 Fixed in 10.0.26100.2314 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:* | before 10.0.22621.4460 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:* | before 10.0.22621.4460 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* | before 10.0.22631.4460 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* | before 10.0.22631.4460 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* | before 10.0.26100.2314 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* | before 10.0.26100.2314 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:arm64:* Versions before 10.0.22621.4460 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:* Versions before 10.0.22621.4460 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* Versions before 10.0.22631.4460 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* Versions before 10.0.22631.4460 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* Versions before 10.0.26100.2314 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* Versions before 10.0.26100.2314 Vulnerable ·Microsoft
Remediation
Microsoft 3 updates
- SecurityHotpatchUpdate
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.2240
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.2240
- Windows Server 2025 10.0.26100.2240
- Windows Server 2025 (Server Core installation) 10.0.26100.2240
- Security Update
- Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.4460
- Windows 11 Version 22H2 for x64-based Systems 10.0.22621.4460
- Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.4460
- Windows 11 Version 23H2 for x64-based Systems 10.0.22631.4460
- Security Update
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.2314
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.2314
- Windows Server 2025 10.0.26100.2314
- Windows Server 2025 (Server Core installation) 10.0.26100.2314
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Denial of Service
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2024-43633
- 2026-10-03 Alias added: GHSA-2p4q-qc9j-27gx
References
More Microsoft Windows 11 22h2 vulnerabilities
- TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-32708 Windows Task Scheduler Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
- 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
Sources
- CVE-2024-43633 · CVE Program
- CVE-2024-43633 · NVD
- FIRST EPSS
- GHSA-2p4q-qc9j-27gx · GitHub Advisory Database · CC BY 4.0
- CVE-2024-43633 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences