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TI-2025-38785 Aliases CVE-2025-62567GHSA-ccfp-87cw-c3rx

Windows Hyper-V Denial of Service Vulnerability

Priority LOW 26CWE-191Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
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

Integer underflow (wrap or wraparound) in Windows Hyper-V allows an authorized attacker to deny service over a network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01031 63rd percentileScored 2026-11-07
Fix Fixed Microsoft: 10 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 10 Version 160710.0.14393.0 to before 10.0.14393.868810.0.14393.8688Patch availableCNA
MicrosoftWindows 10 Version 180910.0.17763.0 to before 10.0.17763.814610.0.17763.8146Patch availableCNA
MicrosoftWindows 10 Version 21H210.0.19044.0 to before 10.0.19044.669110.0.19044.6691Patch availableCNA
MicrosoftWindows 10 Version 22H210.0.19045.0 to before 10.0.19045.669110.0.19045.6691Patch availableCNA
MicrosoftWindows 11 version 22H310.0.22631.0 to before 10.0.22631.634510.0.22631.6345Patch availableCNA
MicrosoftWindows 11 Version 23H210.0.22631.0 to before 10.0.22631.634510.0.22631.6345Patch availableCNA
MicrosoftWindows 11 Version 24H210.0.26100.0 to before 10.0.26100.746210.0.26100.7462Patch availableCNA
MicrosoftWindows 11 Version 25H210.0.26200.0 to before 10.0.26200.746210.0.26200.7462Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.229206.3.9600.22920Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.229206.3.9600.22920Patch availableCNA
MicrosoftWindows Server 201610.0.14393.0 to before 10.0.14393.868810.0.14393.8688Patch availableCNA
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to before 10.0.14393.868810.0.14393.8688Patch availableCNA
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.814610.0.17763.8146Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.814610.0.17763.8146Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.452910.0.20348.4529Patch availableCNA
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to before 10.0.25398.202510.0.25398.2025Patch availableCNA
MicrosoftWindows Server 202510.0.26100.0 to before 10.0.26100.746210.0.26100.7462Patch availableCNA
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to before 10.0.26100.746210.0.26100.7462Patch availableCNA
  • Windows 10 Version 1607 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.8688 Fixed in 10.0.14393.8688 Patch available CNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.8146 Fixed in 10.0.17763.8146 Patch available CNA
  • Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19044.0 to before 10.0.19044.6691 Fixed in 10.0.19044.6691 Patch available CNA
  • Windows 10 Version 22H2 VendorMicrosoft Affected 10.0.19045.0 to before 10.0.19045.6691 Fixed in 10.0.19045.6691 Patch available CNA
  • Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.6345 Fixed in 10.0.22631.6345 Patch available CNA
  • Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.6345 Fixed in 10.0.22631.6345 Patch available CNA
  • Windows 11 Version 24H2 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.7462 Fixed in 10.0.26100.7462 Patch available CNA
  • Windows 11 Version 25H2 VendorMicrosoft Affected 10.0.26200.0 to before 10.0.26200.7462 Fixed in 10.0.26200.7462 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.22920 Fixed in 6.3.9600.22920 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.22920 Fixed in 6.3.9600.22920 Patch available CNA
  • Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.8688 Fixed in 10.0.14393.8688 Patch available CNA
  • Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.8688 Fixed in 10.0.14393.8688 Patch available CNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.8146 Fixed in 10.0.17763.8146 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.8146 Fixed in 10.0.17763.8146 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.4529 Fixed in 10.0.20348.4529 Patch available CNA
  • Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.2025 Fixed in 10.0.25398.2025 Patch available CNA
  • Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.7462 Fixed in 10.0.26100.7462 Patch available CNA
  • Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.7462 Fixed in 10.0.26100.7462 Patch available CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*before 10.0.14393.8688VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*before 10.0.17763.8146VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*before 10.0.19044.6691VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*before 10.0.19045.6691VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*before 10.0.22631.6345VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*before 10.0.26100.7392VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*before 10.0.26200.7392VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*r2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*before 10.0.14393.8688VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*before 10.0.17763.8146VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* Versions before 10.0.14393.8688 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* Versions before 10.0.17763.8146 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* Versions before 10.0.19044.6691 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* Versions before 10.0.19045.6691 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.6345 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* Versions before 10.0.26100.7392 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* Versions before 10.0.26200.7392 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* Versions before 10.0.14393.8688 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.8146 Vulnerable ·Microsoft
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*before 10.0.20348.4467VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*before 10.0.25398.2025VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*before 10.0.26100.7392VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.4467 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.2025 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* Versions before 10.0.26100.7392 Vulnerable ·Microsoft

Remediation

Microsoft 10 updates

  • KB5072033
    Security Update
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.7462
    • Windows 11 Version 24H2 for x64-based Systems 10.0.26100.7462
    • Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.7462
    • Windows 11 Version 25H2 for x64-based Systems 10.0.26200.7462
    • Windows Server 2025 10.0.26100.7462
    • Windows Server 2025 (Server Core installation) 10.0.26100.7462
  • KB5072014
    Security Hotpatch Update
    • Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.7392
    • Windows 11 Version 24H2 for x64-based Systems 10.0.26100.7392
    • Windows 11 Version 25H2 for ARM64-based Systems 10.0.26200.7392
    • Windows 11 Version 25H2 for x64-based Systems 10.0.26200.7392
    • Windows Server 2025 10.0.26100.7392
    • Windows Server 2025 (Server Core installation) 10.0.26100.7392
  • KB5071547
    Security Update
    • Windows Server 2022 10.0.20348.4529
    • Windows Server 2022 (Server Core installation) 10.0.20348.4529
Show 7 more Microsoft updates
  • KB5071546
    Security Update
    • Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.6691
    • Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.6691
    • Windows 10 Version 21H2 for x64-based Systems 10.0.19044.6691
    • Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.6691
    • Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.6691
    • Windows 10 Version 22H2 for x64-based Systems 10.0.19045.6691
  • KB5071544
    Security Update
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.8146
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.8146
    • Windows Server 2019 10.0.17763.8146
    • Windows Server 2019 (Server Core installation) 10.0.17763.8146
  • KB5071543
    Security Update
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.8688
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.8688
    • Windows Server 2016 10.0.14393.8688
    • Windows Server 2016 (Server Core installation) 10.0.14393.8688
  • KB5071542
    Security Update
    • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.2025
  • KB5071503
    Monthly Rollup
    • Windows Server 2012 R2 6.3.9600.22920
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.22920
  • KB5071417
    Security Update
    • Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.6345
    • Windows 11 Version 23H2 for x64-based Systems 10.0.22631.6345
  • KB5071413
    Security Hotpatch Update
    • Windows Server 2022 10.0.20348.4467
    • Windows Server 2022 (Server Core installation) 10.0.20348.4467

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Denial of Service
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Unlikely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-62567
  2. 2026-10-03 Alias added: GHSA-ccfp-87cw-c3rx

References

Patch 1

  • TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-73128 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2026-17367 MSHTML Framework Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2026-17364 Windows Shell Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
See all 3427 →

Sources

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