Windows TCP/IP Driver Elevation of Privilege Vulnerability
Priority LOW 36CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Windows TCP/IP Driver Elevation of Privilege Vulnerability
Why it matters now
EPSS 0.00923 60th percentileScored 2026-11-07
Fix Fixed Windows 10 Version 1809 (Microsoft): 10.0.17763.2366Windows Server 2019 (Microsoft): 10.0.17763.2366+10 more products
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.0 to before 10.0.17763.2366 | 10.0.17763.2366 | Patch available | CNA |
| Microsoft | Windows Server 2019 | 10.0.0 to before 10.0.17763.2366 | 10.0.17763.2366 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.0 to before 10.0.17763.2366 | 10.0.17763.2366 | Patch available | CNA |
| Microsoft | Windows 10 Version 1909 | 10.0.0 to before 10.0.18363.1977 | 10.0.18363.1977 | Patch available | CNA |
| Microsoft | Windows 10 Version 21H1 | 10.0.0 to before 10.0.19043.1415 | 10.0.19043.1415 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.0 to before 10.0.20348.405 | 10.0.20348.405 | Patch available | CNA |
| Microsoft | Windows 10 Version 2004 | 10.0.0 to before 10.0.19041.1415 | 10.0.19041.1415 | Patch available | CNA |
| Microsoft | Windows Server version 2004 | 10.0.0 to before 10.0.19041.1415 | 10.0.19041.1415 | Patch available | CNA |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 to before 10.0.19042.1415 | 10.0.19042.1415 | Patch available | CNA |
| Microsoft | Windows Server version 20H2 | 10.0.0 to before 10.0.19042.1415 | 10.0.19042.1415 | Patch available | CNA |
| Microsoft | Windows 11 version 21H2 | 10.0.0 to before 10.0.22000.376 | 10.0.22000.376 | Patch available | CNA |
| Microsoft | Windows 10 Version 21H2 | 10.0.0 to before 10.0.19044.1415 | 10.0.19044.1415 | Patch available | CNA |
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.0 to before 10.0.17763.2366 Fixed in 10.0.17763.2366 Patch available CNA
- Windows Server 2019 VendorMicrosoft Affected 10.0.0 to before 10.0.17763.2366 Fixed in 10.0.17763.2366 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.0 to before 10.0.17763.2366 Fixed in 10.0.17763.2366 Patch available CNA
- Windows 10 Version 1909 VendorMicrosoft Affected 10.0.0 to before 10.0.18363.1977 Fixed in 10.0.18363.1977 Patch available CNA
- Windows 10 Version 21H1 VendorMicrosoft Affected 10.0.0 to before 10.0.19043.1415 Fixed in 10.0.19043.1415 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.0 to before 10.0.20348.405 Fixed in 10.0.20348.405 Patch available CNA
- Windows 10 Version 2004 VendorMicrosoft Affected 10.0.0 to before 10.0.19041.1415 Fixed in 10.0.19041.1415 Patch available CNA
- Windows Server version 2004 VendorMicrosoft Affected 10.0.0 to before 10.0.19041.1415 Fixed in 10.0.19041.1415 Patch available CNA
- Windows 10 Version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.1415 Fixed in 10.0.19042.1415 Patch available CNA
- Windows Server version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.1415 Fixed in 10.0.19042.1415 Patch available CNA
- Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.376 Fixed in 10.0.22000.376 Patch available CNA
- Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19044.1415 Fixed in 10.0.19044.1415 Patch available CNA
CPE configurations NVD · 24
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:* | 20h2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:* | 20h2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:* | 20h2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:* | 21h1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:* | 21h1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:* | 21h1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:arm64:* | 21h2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:* | 21h2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x86:* | 21h2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:* | 1809 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:* Versions 20h2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:* Versions 20h2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:* Versions 20h2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:* Versions 21h1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:* Versions 21h1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:* Versions 21h1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:arm64:* Versions 21h2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x64:* Versions 21h2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:x86:* Versions 21h2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:* Versions 1809 Vulnerable ·Microsoft
Show 14 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:* | 1809 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:* | 1809 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:* | 1909 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:* | 1909 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:* | 1909 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:* | 2004 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:* | 2004 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:* | 2004 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:* | 20h2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:* | 2022 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:* | 2004 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:* Versions 1809 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:* Versions 1809 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:* Versions 1909 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:* Versions 1909 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:* Versions 1909 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:* Versions 2004 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:* Versions 2004 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:* Versions 2004 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:* Versions 20h2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server:2022:*:*:*:*:*:*:* Versions 2022 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
- Fix · CNA Windows 10 Version 1809 (Microsoft) Fixed in 10.0.17763.2366
- Fix · CNA Windows Server 2019 (Microsoft) Fixed in 10.0.17763.2366
- Fix · CNA Windows Server 2019 (Server Core installation) (Microsoft) Fixed in 10.0.17763.2366
- Fix · CNA Windows 10 Version 1909 (Microsoft) Fixed in 10.0.18363.1977
- Fix · CNA Windows 10 Version 21H1 (Microsoft) Fixed in 10.0.19043.1415
- Fix · CNA Windows Server 2022 (Microsoft) Fixed in 10.0.20348.405
- Fix · CNA Windows 10 Version 2004 (Microsoft) Fixed in 10.0.19041.1415
- Fix · CNA Windows Server version 2004 (Microsoft) Fixed in 10.0.19041.1415
- Fix · CNA Windows 10 Version 20H2 (Microsoft) Fixed in 10.0.19042.1415
- Fix · CNA Windows Server version 20H2 (Microsoft) Fixed in 10.0.19042.1415
- Fix · CNA Windows 11 version 21H2 (Microsoft) Fixed in 10.0.22000.376
- Fix · CNA Windows 10 Version 21H2 (Microsoft) Fixed in 10.0.19044.1415
Timeline
- 2026-10-02 Threatist record created from CVE-2021-43247
- 2026-10-03 Alias added: GHSA-r39r-c554-xv77
References
More Microsoft Windows 10 vulnerabilities
- 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
Sources
- CVE-2021-43247 · CVE Program
- CVE-2021-43247 · NVD
- FIRST EPSS
- GHSA-r39r-c554-xv77 · GitHub Advisory Database · CC BY 4.0
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