Incorrect authorization in Microsoft Windows 10 Version 1909 for 32-bit Systems
Priority MEDIUM 41CWE-863Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-863.
Summary
A security feature bypass vulnerability exists when Windows fails to properly handle token relationships.An attacker who successfully exploited the vulnerability could allow an application with a certain integrity level to execute code at a different integrity level, leading to a sandbox escape.The update addresses the vulnerability by correcting how Windows handles token relationships, aka 'Windows Token Security Feature Bypass Vulnerability'.
Why it matters now
EPSS 0.01271 70th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1909 for 32-bit Systems | all versions | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 1909 for x64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 1909 for ARM64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Windows Server, version 1909 (Server Core installation) | all versions | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | all versions | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Windows Server, version 1903 (Server Core installation) | all versions | — | 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 10 Version 1909 for ARM64-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 10 Version 1903 for ARM64-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
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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_server_2016:1903:*:*:*:*:*:*:* | 1903 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:* | 1909 | 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_server_2016:1903:*:*:*:*:*:*:* Versions 1903 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:* Versions 1909 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-0981
- 2026-10-03 Alias added: GHSA-93vj-6w32-x9gc
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-2020-0981 · CVE Program
- CVE-2020-0981 · NVD
- FIRST EPSS
- GHSA-93vj-6w32-x9gc · 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