Win32k Elevation of Privilege Vulnerability
Priority LOW 36Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The update addresses this vulnerability by correcting how the Windows kernel-mode driver handles objects in memory.
Why it matters now
EPSS 0.01081 65th percentileScored 2026-11-07
Fix Fixed Windows 10 Version 1507 (Microsoft): publicationWindows 10 Version 1607 (Microsoft): publication+26 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 1507 | 10.0.10240.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 10 Version 1709 | 10.0.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 10 Version 1709 for 32-bit Systems | 10.0.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 10 Version 1803 | 10.0.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 10 Version 1809 | 10.0.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | 10.0.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | 10.0.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | 10.0.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 10 Version 1909 | 10.0.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 7 | 6.1.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 7 Service Pack 1 | 6.1.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows 8.1 | 6.3.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.1.7601.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2008 Service Pack 2 | 6.0.6003.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2012 | 6.2.9200.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2016 | 10.0.14393.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2019 | 10.0.17763.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server, version 1803 (Server Core Installation) | 10.0.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server, version 1903 (Server Core installation) | 10.0.0 to before publication | publication | Patch available | CNA |
| Microsoft | Windows Server, version 1909 (Server Core installation) | 10.0.0 to before publication | publication | Patch available | CNA |
- Windows 10 Version 1507 VendorMicrosoft Affected 10.0.10240.0 to before publication Fixed in publication Patch available CNA
- Windows 10 Version 1607 VendorMicrosoft Affected 10.0.14393.0 to before publication Fixed in publication Patch available CNA
- Windows 10 Version 1709 VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
- Windows 10 Version 1709 for 32-bit Systems VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
- Windows 10 Version 1803 VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before publication Fixed in publication Patch available CNA
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
- Windows 10 Version 1903 for 32-bit Systems VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
- Windows 10 Version 1903 for ARM64-based Systems VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
- Windows 10 Version 1903 for x64-based Systems VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
- Windows 10 Version 1909 VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
- Windows 7 VendorMicrosoft Affected 6.1.0 to before publication Fixed in publication Patch available CNA
- Windows 7 Service Pack 1 VendorMicrosoft Affected 6.1.0 to before publication Fixed in publication Patch available CNA
- Windows 8.1 VendorMicrosoft Affected 6.3.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2008 R2 Service Pack 1 VendorMicrosoft Affected 6.1.7601.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2008 R2 Service Pack 1 (Server Core installation) VendorMicrosoft Affected 6.1.7601.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2008 Service Pack 2 VendorMicrosoft Affected 6.0.6003.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2008 Service Pack 2 (Server Core installation) VendorMicrosoft Affected 6.0.6003.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before publication Fixed in publication Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before publication Fixed in publication Patch available CNA
- Windows Server, version 1803 (Server Core Installation) VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
- Windows Server, version 1903 (Server Core installation) VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
- Windows Server, version 1909 (Server Core installation) VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:* | 1607 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:* | 1607 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* | 1709 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* | 1803 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* | 1809 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* | 1903 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* | 1909 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:* | not specified by NVD | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:* Versions 1607 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:* 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_7:-:sp1:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:itanium:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x86:* | r2 sp1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | r2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:itanium:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x86:* Versions r2 sp1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- 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
Remediation
- Fix · CNA Windows 10 Version 1507 (Microsoft) Fixed in publication
- Fix · CNA Windows 10 Version 1607 (Microsoft) Fixed in publication
- Fix · CNA Windows 10 Version 1709 (Microsoft) Fixed in publication
- Fix · CNA Windows 10 Version 1709 for 32-bit Systems (Microsoft) Fixed in publication
- Fix · CNA Windows 10 Version 1803 (Microsoft) Fixed in publication
- Fix · CNA Windows 10 Version 1809 (Microsoft) Fixed in publication
- Fix · CNA Windows 10 Version 1809 (Microsoft) Fixed in publication
- Fix · CNA Windows 10 Version 1903 for 32-bit Systems (Microsoft) Fixed in publication
- Fix · CNA Windows 10 Version 1903 for ARM64-based Systems (Microsoft) Fixed in publication
- Fix · CNA Windows 10 Version 1903 for x64-based Systems (Microsoft) Fixed in publication
- Fix · CNA Windows 10 Version 1909 (Microsoft) Fixed in publication
- Fix · CNA Windows 7 (Microsoft) Fixed in publication
- Fix · CNA Windows 7 Service Pack 1 (Microsoft) Fixed in publication
- Fix · CNA Windows 8.1 (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2008 R2 Service Pack 1 (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2008 R2 Service Pack 1 (Server Core installation) (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2008 Service Pack 2 (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2008 Service Pack 2 (Server Core installation) (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2012 (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2012 (Server Core installation) (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2012 R2 (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2012 R2 (Server Core installation) (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2016 (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2016 (Server Core installation) (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2019 (Microsoft) Fixed in publication
- Fix · CNA Windows Server 2019 (Server Core installation) (Microsoft) Fixed in publication
- Fix · CNA Windows Server, version 1803 (Server Core Installation) (Microsoft) Fixed in publication
- Fix · CNA Windows Server, version 1903 (Server Core installation) (Microsoft) Fixed in publication
- Fix · CNA Windows Server, version 1909 (Server Core installation) (Microsoft) Fixed in publication
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1143
- 2026-10-03 Alias added: GHSA-pr55-m2r8-wvg6
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
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- 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-2020-1143 · CVE Program
- CVE-2020-1143 · NVD
- FIRST EPSS
- GHSA-pr55-m2r8-wvg6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences