Improper input validation in Microsoft Windows Server 2012 R2
Priority LOW 27CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka "Hyper-V Information Disclosure Vulnerability." This affects Windows Server 2012 R2, Windows RT 8.1, Windows Server 2016, Windows 8.1, Windows 10, Windows 10 Servers. This CVE ID is unique from CVE-2018-0964.
Why it matters now
EPSS 0.01581 75th 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 Server 2012 R2 | (Server Core installation) | — | No fix listed | CNA |
| Microsoft | Windows RT 8.1 | Windows RT 8.1 | — | No fix listed | CNA |
| Microsoft | Windows Server 2016 | (Server Core installation) | — | No fix listed | CNA |
| Microsoft | Windows 8.1 | x64-based systems | — | No fix listed | CNA |
| Microsoft | Windows 10 | Version 1511 for x64-based Systems; Version 1607 for x64-based Systems; Version 1703 for x64-based Systems; Version 1709 for x64-based Systems; x64-based Systems | — | No fix listed | CNA |
| Microsoft | Windows 10 Servers | version 1709 (Server Core Installation) | — | No fix listed | CNA |
- Windows Server 2012 R2 VendorMicrosoft Affected (Server Core installation) Fixed in — No fix listed CNA
- Windows RT 8.1 VendorMicrosoft Affected Windows RT 8.1 Fixed in — No fix listed CNA
- Windows Server 2016 VendorMicrosoft Affected (Server Core installation) Fixed in — No fix listed CNA
- Windows 8.1 VendorMicrosoft Affected x64-based systems Fixed in — No fix listed CNA
- Windows 10 VendorMicrosoft Affected Version 1511 for x64-based Systems; Version 1607 for x64-based Systems; Version 1703 for x64-based Systems; Version 1709 for x64-based Systems; x64-based Systems Fixed in — No fix listed CNA
- Windows 10 Servers VendorMicrosoft Affected version 1709 (Server Core Installation) Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* | 1511 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | 1607 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* | 1703 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* | 1709 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* | 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_2016:1709:*:*:*:*:*:*:* | 1709 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:* Versions 1511 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* Versions 1607 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* Versions 1703 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* Versions 1709 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* Versions all versions 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_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_2016:1709:*:*:*:*:*:*:* Versions 1709 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-0957
- 2026-10-03 Alias added: GHSA-g69x-6vh2-x277
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Sources
- CVE-2018-0957 · CVE Program
- CVE-2018-0957 · NVD
- FIRST EPSS
- GHSA-g69x-6vh2-x277 · 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