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TI-2023-17739 Aliases CVE-2023-35631GHSA-r9vv-6834-c7fq

Win32k Elevation of Privilege Vulnerability

Priority MEDIUM 43Published · 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

Win32k Elevation of Privilege Vulnerability

Why it matters now

EPSS 0.06548 93rd percentileScored 2026-11-07
Fix Fixed Microsoft: 3 updates

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows 11 version 21H210.0.0 to before 10.0.22000.265210.0.22000.2652Patch availableCNA
MicrosoftWindows 11 version 22H210.0.22621.0 to before 10.0.22621.286110.0.22621.2861Patch availableCNA
MicrosoftWindows 11 version 22H310.0.22631.0 to before 10.0.22621.286110.0.22621.2861Patch availableCNA
MicrosoftWindows 11 Version 23H210.0.22631.0 to before 10.0.22631.286110.0.22631.2861Patch availableCNA
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 to before 10.0.25398.58410.0.25398.584Patch availableCNA
  • Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.2652 Fixed in 10.0.22000.2652 Patch available CNA
  • Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.2861 Fixed in 10.0.22621.2861 Patch available CNA
  • Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22621.2861 Fixed in 10.0.22621.2861 Patch available CNA
  • Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.2861 Fixed in 10.0.22631.2861 Patch available CNA
  • Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.584 Fixed in 10.0.25398.584 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*before 10.0.22000.2652VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*before 10.0.22621.2861VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*before 10.0.22631.2861VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*before 10.0.25398.584VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* Versions before 10.0.22000.2652 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.2861 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.2861 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.584 Vulnerable ·Microsoft

Remediation

Microsoft 3 updates

  • KB5033383
    Security Update
    • Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.584
  • KB5033375
    Security Update
    • Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.2861
    • Windows 11 Version 22H2 for x64-based Systems 10.0.22621.2861
    • Windows 11 Version 23H2 for ARM64-based Systems 10.0.22621.2861
    • Windows 11 Version 23H2 for x64-based Systems 10.0.22631.2861
  • KB5033369
    Security Update
    • Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.2652
    • Windows 11 version 21H2 for x64-based Systems 10.0.22000.2652

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
—
Exploitability
Exploitation More Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-35631
  2. 2026-10-03 Alias added: GHSA-r9vv-6834-c7fq

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