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TI-2023-18254 Aliases CVE-2023-36391GHSA-q28x-8jvc-pp88

Local Security Authority Subsystem Service Elevation of Privilege Vulnerability

Priority MEDIUM 44CWE-59Published · 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

Local Security Authority Subsystem Service Elevation of Privilege Vulnerability

Why it matters now

EPSS 0.0724 94th percentileScored 2026-11-07
Fix Fixed Microsoft: 1 update

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
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
  • 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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*before 10.0.22631.2861VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.2861 Vulnerable ·Microsoft

Remediation

Microsoft 1 update

  • 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

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-2023-36391
  2. 2026-10-03 Alias added: GHSA-q28x-8jvc-pp88

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 3407 →

Sources

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