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TI-2023-18286 Aliases CVE-2023-36427GHSA-jxwh-w46f-545j

Windows Hyper-V Elevation of Privilege Vulnerability

Priority LOW 34Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · 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 Elevation of Privilege Vulnerability

Why it matters now

EPSS 0.01492 74th percentileScored 2026-11-07
Fix Fixed Microsoft: 7 updates

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 10 Version 180910.0.17763.0 to before 10.0.17763.512210.0.17763.5122Patch availableCNA
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.512210.0.17763.5122Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.512210.0.17763.5122Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.211310.0.20348.2113Patch availableCNA
MicrosoftWindows 11 version 21H210.0.0 to before 10.0.22000.260010.0.22000.2600Patch availableCNA
MicrosoftWindows 10 Version 21H210.0.19043.0 to before 10.0.19043.369310.0.19043.3693Patch availableCNA
MicrosoftWindows 11 version 22H210.0.22621.0 to before 10.0.22621.271510.0.22621.2715Patch availableCNA
MicrosoftWindows 10 Version 22H210.0.19045.0 to before 10.0.19045.369310.0.19045.3693Patch availableCNA
MicrosoftWindows 11 Version 23H210.0.22631.0 to before 10.0.22631.271510.0.22631.2715Patch availableCNA
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to before 10.0.25398.53110.0.25398.531Patch availableCNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.5122 Fixed in 10.0.17763.5122 Patch available CNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.5122 Fixed in 10.0.17763.5122 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.5122 Fixed in 10.0.17763.5122 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.2113 Fixed in 10.0.20348.2113 Patch available CNA
  • Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.2600 Fixed in 10.0.22000.2600 Patch available CNA
  • Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19043.0 to before 10.0.19043.3693 Fixed in 10.0.19043.3693 Patch available CNA
  • Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.2715 Fixed in 10.0.22621.2715 Patch available CNA
  • Windows 10 Version 22H2 VendorMicrosoft Affected 10.0.19045.0 to before 10.0.19045.3693 Fixed in 10.0.19045.3693 Patch available CNA
  • Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.2715 Fixed in 10.0.22631.2715 Patch available CNA
  • Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.531 Fixed in 10.0.25398.531 Patch available CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*before 10.0.17763.5122VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*before 10.0.19041.3693VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*before 10.0.19045.3693VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:*before 10.0.22000.2600VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:*before 10.0.22621.2715VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*before 10.0.22631.2715VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*before 10.0.25398.531VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* Versions before 10.0.17763.5122 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* Versions before 10.0.19041.3693 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* Versions before 10.0.19045.3693 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:x64:* Versions before 10.0.22000.2600 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:x64:* Versions before 10.0.22621.2715 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* Versions before 10.0.22631.2715 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.531 Vulnerable ·Microsoft

Remediation

Microsoft 7 updates

  • KB5032304
    SecurityHotpatchUpdate
    • Windows Server 2022 10.0.20348.2091
    • Windows Server 2022 (Server Core installation) 10.0.20348.2091
  • KB5032202
    Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.25398.531
    • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.531
  • KB5032198
    Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.20348.2113
    • Windows Server 2022 10.0.20348.2113
    • Windows Server 2022 (Server Core installation) 10.0.20348.2113
Show 4 more Microsoft updates
  • KB5032196
    Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.17763.5122
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.5122
    • Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.5122
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.5122
    • Windows Server 2019 10.0.17763.5122
    • Windows Server 2019 (Server Core installation) 10.0.17763.5122
  • KB5032192
    Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.22000.2600
    • Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.2600
    • Windows 11 version 21H2 for x64-based Systems 10.0.22000.2600
  • KB5032190
    Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.22631.2715, 10.0.22621.2715
    • Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.2715
    • Windows 11 Version 22H2 for x64-based Systems 10.0.22621.2715
    • Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.2715
    • Windows 11 Version 23H2 for x64-based Systems 10.0.22631.2715
  • KB5032189
    Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.19041.3693, 10.0.19043.3693, 10.0.19045.3693
    • Windows 10 Version 21H2 for 32-bit Systems 10.0.19043.3693
    • Windows 10 Version 21H2 for ARM64-based Systems 10.0.19043.3693
    • Windows 10 Version 21H2 for x64-based Systems 10.0.19043.3693
    • Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.3693
    • Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.3693
    • Windows 10 Version 22H2 for x64-based Systems 10.0.19045.3693

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-36427
  2. 2026-10-03 Alias added: GHSA-jxwh-w46f-545j

References

Patch 1

  • TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability 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
  • TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
See all 4016 →

Sources

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