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TI-2020-01204 Aliases CVE-2020-1241GHSA-8gm4-vvh5-fpv2

A security feature bypass vulnerability exists when Windows Kernel fails to properly…

Priority MEDIUM 40Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A security feature bypass vulnerability exists when Windows Kernel fails to properly sanitize certain parameters.To exploit the vulnerability, a locally-authenticated attacker could attempt to run a specially crafted application on a targeted system.The update addresses the vulnerability by correcting how Windows Kernel handles parameter sanitization., aka 'Windows Kernel Security Feature Bypass Vulnerability'.

Why it matters now

EPSS 0.03257 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindows10 Version 1803 for 32-bit Systems; 10 Version 1803 for x64-based Systems; 10 Version 1809 for 32-bit Systems; 10 Version 1809 for x64-based Systems; 10 Version 1709 for 32-bit Systems; 10 Version 1709 for x64-based Systems; 10 Version 1607 for 32-bit Systems; 10 Version 1607 for x64-based Systems—No fix listedCNA
MicrosoftWindows Serverversion 1803 (Core Installation); 2019; 2019 (Core installation); 2016; 2016 (Core installation)—No fix listedCNA
MicrosoftWindows 10 Version 1909 for 32-bit Systemsall versions—No fix listedCNA
MicrosoftWindows 10 Version 1909 for x64-based Systemsall versions—No fix listedCNA
MicrosoftWindows Server, version 1909 (Server Core installation)all versions—No fix listedCNA
MicrosoftWindows 10 Version 1903 for 32-bit Systemsall versions—No fix listedCNA
MicrosoftWindows 10 Version 1903 for x64-based Systemsall versions—No fix listedCNA
MicrosoftWindows Server, version 1903 (Server Core installation)all versions—No fix listedCNA
MicrosoftWindows Server, version 2004 (Server Core installation)all versions—No fix listedCNA
MicrosoftWindows 10 Version 2004 for 32-bit Systemsall versions—No fix listedCNA
MicrosoftWindows 10 Version 2004 for x64-based Systemsall versions—No fix listedCNA
  • Windows VendorMicrosoft Affected 10 Version 1803 for 32-bit Systems; 10 Version 1803 for x64-based Systems; 10 Version 1809 for 32-bit Systems; 10 Version 1809 for x64-based Systems; 10 Version 1709 for 32-bit Systems; 10 Version 1709 for x64-based Systems; 10 Version 1607 for 32-bit Systems; 10 Version 1607 for x64-based Systems Fixed in — No fix listed CNA
  • Windows Server VendorMicrosoft Affected version 1803 (Core Installation); 2019; 2019 (Core installation); 2016; 2016 (Core installation) Fixed in — No fix listed CNA
  • Windows 10 Version 1909 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Windows 10 Version 1909 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Windows Server, version 1909 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Windows 10 Version 1903 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Windows 10 Version 1903 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Windows Server, version 1903 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Windows Server, version 2004 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Windows 10 Version 2004 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
  • Windows 10 Version 2004 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*1607VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*1709VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*1803VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*1809VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*1903VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*1909VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*2004VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*1803VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*1903VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* Versions 1607 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* Versions 1709 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* Versions 1803 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* Versions 1809 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* Versions 1903 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* Versions 1909 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* Versions 2004 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* Versions 1803 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* Versions 1903 Vulnerable ·Microsoft
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*1909VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*2004VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:* Versions 1909 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:* Versions 2004 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1241
  2. 2026-10-03 Alias added: GHSA-8gm4-vvh5-fpv2

References

Patch 1

  • TI-2015-02132 Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft… KEVCVSS 3.1HIGH 8.8
  • TI-2022-10056 Remote Procedure Call Runtime Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2022-06273 HTTP Protocol Stack Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2019-00906 Remote Desktop Services Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2022-15533 Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2015-01587 Mount Manager in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows… KEVCVSS 3.1MEDIUM 6.6
See all 2973 →

Sources

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