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TI-2023-18270 Aliases CVE-2023-36407GHSA-j6p3-4997-wc62

Windows Hyper-V Elevation of Privilege Vulnerability

Priority LOW 38CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
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 0.0173 77th percentileScored 2026-11-07
Fix Fixed Microsoft: 5 updates

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
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 11 version 22H210.0.22621.0 to before 10.0.22621.271510.0.22621.2715Patch availableCNA
MicrosoftWindows 11 version 22H310.0.22631.0 to before 10.0.22631.271510.0.22631.2715Patch 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 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 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 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.2715 Fixed in 10.0.22631.2715 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 · 5

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*before 10.0.22000.2600VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*before 10.0.22621.2715VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*before 10.0.22631.2715VulnerableMicrosoft
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_11_21h2:*:*:*:*:*:*:*:* Versions before 10.0.22000.2600 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.2715 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.2715 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 5 updates

  • SecurityHotpatchUpdate
    • Windows Server 2022 10.0.20348.2091
    • Windows Server 2022 (Server Core installation) 10.0.20348.2091
  • Security Update
    • Microsoft Defender for Endpoint for Windows 10.0.25398.531
    • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.531
  • 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 2 more Microsoft updates
  • 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
  • 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

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-2023-36407
  2. 2026-10-03 Alias added: GHSA-j6p3-4997-wc62

References

  • 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