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TI-2023-10394 Aliases CVE-2023-24903GHSA-8p6h-m3rp-3m5j

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Priority LOW 37CWE-415Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Code execution
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 Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Why it matters now

EPSS 0.00924 60th percentileScored 2026-11-07
Fix Fixed Microsoft: 16 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 10.0.17763.437710.0.17763.4377Patch availableCNA
MicrosoftWindows 10 Version 180910.0.0 to before 10.0.17763.437710.0.17763.4377Patch availableCNA
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.437710.0.17763.4377Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.437710.0.17763.4377Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.172610.0.20348.1726Patch availableCNA
MicrosoftWindows 10 Version 20H210.0.0 to before 10.0.19042.296510.0.19042.2965Patch availableCNA
MicrosoftWindows 11 version 21H210.0.0 to before 10.0.22000.193610.0.22000.1936Patch availableCNA
MicrosoftWindows 10 Version 21H210.0.19043.0 to before 10.0.19044.296510.0.19044.2965Patch availableCNA
MicrosoftWindows 11 version 22H210.0.22621.0 to before 10.0.22621.170210.0.22621.1702Patch availableCNA
MicrosoftWindows 10 Version 22H210.0.19045.0 to before 10.0.19045.296510.0.19045.2965Patch availableCNA
MicrosoftWindows 10 Version 150710.0.10240.0 to before 10.0.10240.1992610.0.10240.19926Patch availableCNA
MicrosoftWindows 10 Version 160710.0.14393.0 to before 10.0.14393.592110.0.14393.5921Patch availableCNA
MicrosoftWindows Server 201610.0.14393.0 to before 10.0.14393.592110.0.14393.5921Patch availableCNA
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to before 10.0.14393.592110.0.14393.5921Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to before 6.0.6003.220706.0.6003.22070Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 to before 6.0.6003.220706.0.6003.22070Patch availableCNA
MicrosoftWindows Server 2008 Service Pack 26.0.6003.0 to before 6.0.6003.220706.0.6003.22070Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 16.1.7601.0 to before 6.1.7601.265196.1.7601.26519Patch availableCNA
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 to before 6.1.7601.265196.1.7601.26519Patch availableCNA
MicrosoftWindows Server 20126.2.9200.0 to before 6.2.9200.242666.2.9200.24266Patch availableCNA
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to before 6.2.9200.242666.2.9200.24266Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.209696.3.9600.20969Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.209696.3.9600.20969Patch availableCNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4377 Fixed in 10.0.17763.4377 Patch available CNA
  • Windows 10 Version 1809 VendorMicrosoft Affected 10.0.0 to before 10.0.17763.4377 Fixed in 10.0.17763.4377 Patch available CNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4377 Fixed in 10.0.17763.4377 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4377 Fixed in 10.0.17763.4377 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.1726 Fixed in 10.0.20348.1726 Patch available CNA
  • Windows 10 Version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.2965 Fixed in 10.0.19042.2965 Patch available CNA
  • Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.1936 Fixed in 10.0.22000.1936 Patch available CNA
  • Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19043.0 to before 10.0.19044.2965 Fixed in 10.0.19044.2965 Patch available CNA
  • Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.1702 Fixed in 10.0.22621.1702 Patch available CNA
  • Windows 10 Version 22H2 VendorMicrosoft Affected 10.0.19045.0 to before 10.0.19045.2965 Fixed in 10.0.19045.2965 Patch available CNA
  • Windows 10 Version 1507 VendorMicrosoft Affected 10.0.10240.0 to before 10.0.10240.19926 Fixed in 10.0.10240.19926 Patch available CNA
  • Windows 10 Version 1607 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5921 Fixed in 10.0.14393.5921 Patch available CNA
  • Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5921 Fixed in 10.0.14393.5921 Patch available CNA
  • Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5921 Fixed in 10.0.14393.5921 Patch available CNA
  • Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.22070 Fixed in 6.0.6003.22070 Patch available CNA
  • Windows Server 2008 Service Pack 2 (Server Core installation) VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.22070 Fixed in 6.0.6003.22070 Patch available CNA
  • Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before 6.0.6003.22070 Fixed in 6.0.6003.22070 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.26519 Fixed in 6.1.7601.26519 Patch available CNA
  • Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before 6.1.7601.26519 Fixed in 6.1.7601.26519 Patch available CNA
  • Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.24266 Fixed in 6.2.9200.24266 Patch available CNA
  • Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.24266 Fixed in 6.2.9200.24266 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20969 Fixed in 6.3.9600.20969 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20969 Fixed in 6.3.9600.20969 Patch available CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*before 10.0.10240.19926VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*before 10.0.14393.5921VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*before 10.0.17763.4377VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*before 10.0.19042.2965VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*before 10.0.19044.2965VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*before 10.0.19045.2965VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*before 10.0.22000.1702VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*r2 sp1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:* Versions before 10.0.10240.19926 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* Versions before 10.0.14393.5921 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* Versions before 10.0.17763.4377 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* Versions before 10.0.19042.2965 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* Versions before 10.0.19044.2965 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* Versions before 10.0.19045.2965 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22000.1702 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* Versions r2 sp1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*r2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
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_2012:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD 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

Remediation

Microsoft 16 updates

  • KB5026456
    Security Hotpatch Update
    • Windows Server 2022 10.0.20348.1724
    • Windows Server 2022 (Server Core installation) 10.0.20348.1724
  • KB5026427
    Security Only
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.22070
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.22070
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.22070
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.22070
  • KB5026426
    Security Only
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.26519
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.26519
Show 13 more Microsoft updates
  • KB5026419
    Monthly Rollup
    • Windows Server 2012 6.2.9200.24266
    • Windows Server 2012 (Server Core installation) 6.2.9200.24266
  • KB5026415
    Monthly Rollup
    • Windows Server 2012 R2 6.3.9600.20969
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20969
  • KB5026413
    Monthly Rollup
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 6.1.7601.26519
    • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 6.1.7601.26519
  • KB5026411
    Security Only
    • Windows Server 2012 6.2.9200.24266
    • Windows Server 2012 (Server Core installation) 6.2.9200.24266
  • KB5026409
    Security Only
    • Windows Server 2012 R2 6.3.9600.20969
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.20969
  • KB5026408
    Monthly Rollup
    • Windows Server 2008 for 32-bit Systems Service Pack 2 6.0.6003.22070
    • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 6.0.6003.22070
    • Windows Server 2008 for x64-based Systems Service Pack 2 6.0.6003.22070
    • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 6.0.6003.22070
  • KB5026382
    Security Update
    • Windows 10 for 32-bit Systems 10.0.10240.19926
    • Windows 10 for x64-based Systems 10.0.10240.19926
  • KB5026372
    Security Update
    • Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.1702
    • Windows 11 Version 22H2 for x64-based Systems 10.0.22621.1702
  • KB5026370
    Security Update
    • Windows Server 2022 10.0.20348.1726
    • Windows Server 2022 (Server Core installation) 10.0.20348.1726
  • KB5026368
    Security Update
    • Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.1936
    • Windows 11 version 21H2 for x64-based Systems 10.0.22000.1936
  • KB5026363
    Security Update
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.5921
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.5921
    • Windows Server 2016 10.0.14393.5921
    • Windows Server 2016 (Server Core installation) 10.0.14393.5921
  • KB5026362
    Security Update
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.4377
    • Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.4377
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.4377
    • Windows Server 2019 10.0.17763.4377
    • Windows Server 2019 (Server Core installation) 10.0.17763.4377
  • KB5026361
    Security Update
    • Windows 10 Version 20H2 for 32-bit Systems 10.0.19042.2965
    • Windows 10 Version 20H2 for ARM64-based Systems 10.0.19042.2965
    • Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.2965
    • Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.2965
    • Windows 10 Version 21H2 for x64-based Systems 10.0.19044.2965
    • Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.2965
    • Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.2965
    • Windows 10 Version 22H2 for x64-based Systems 10.0.19045.2965

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-24903
  2. 2026-10-03 Alias added: GHSA-8p6h-m3rp-3m5j

References

Patch 1

  • TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
  • 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
  • TI-2024-32708 Windows Task Scheduler Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
  • 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
See all 1229 →

Sources

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