Windows Setup Elevation of Privilege Vulnerability
Priority LOW 38Published · 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
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
<p>An elevation of privilege vulnerability exists in Windows Setup in the way it handles directories.</p> <p>A locally authenticated attacker could run arbitrary code with elevated system privileges. After successfully exploiting the vulnerability, an attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>The security update addresses the vulnerability by ensuring Windows Setup properly handles directories.</p>
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00955 61st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1803 | N/A | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 1809 | N/A | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 1909 | N/A | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | N/A | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | N/A | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | N/A | — | No fix listed | CNA |
| Microsoft | Windows 10 Version 2004 | N/A | — | No fix listed | CNA |
- Windows 10 Version 1803 VendorMicrosoft Affected N/A Fixed in — No fix listed CNA
- Windows 10 Version 1809 VendorMicrosoft Affected N/A Fixed in — No fix listed CNA
- Windows 10 Version 1909 VendorMicrosoft Affected N/A Fixed in — No fix listed CNA
- Windows 10 Version 1903 for 32-bit Systems VendorMicrosoft Affected N/A Fixed in — No fix listed CNA
- Windows 10 Version 1903 for x64-based Systems VendorMicrosoft Affected N/A Fixed in — No fix listed CNA
- Windows 10 Version 1903 for ARM64-based Systems VendorMicrosoft Affected N/A Fixed in — No fix listed CNA
- Windows 10 Version 2004 VendorMicrosoft Affected N/A Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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_10:2004:*:*:*:*:*:*:* | 2004 | 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-16908
- 2026-10-03 Alias added: GHSA-x4gf-jp8w-7474
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-2020-16908 · CVE Program
- CVE-2020-16908 · NVD
- FIRST EPSS
- GHSA-x4gf-jp8w-7474 · 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