Windows Network File System Information Disclosure Vulnerability
Priority MEDIUM 42CWE-191Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Windows Network File System Information Disclosure Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0159 75th percentileScored 2026-11-07
Fix Fixed Microsoft: 7 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
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 Server 2019 | 10.0.17763.0 to before 10.0.17763.4252 | 10.0.17763.4252 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before 10.0.17763.4252 | 10.0.17763.4252 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.1668 | 10.0.20348.1668 | Patch available | CNA |
| Microsoft | Windows Server 2016 | 10.0.14393.0 to before 10.0.14393.5850 | 10.0.14393.5850 | Patch available | CNA |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 to before 10.0.14393.5850 | 10.0.14393.5850 | Patch available | CNA |
| Microsoft | Windows Server 2012 | 6.2.9200.0 to before 6.2.9200.24216 | 6.2.9200.24216 | Patch available | CNA |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 to before 6.2.9200.24216 | 6.2.9200.24216 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 to before 6.3.9600.20919 | 6.3.9600.20919 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 to before 6.3.9600.20919 | 6.3.9600.20919 | Patch available | CNA |
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4252 Fixed in 10.0.17763.4252 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.4252 Fixed in 10.0.17763.4252 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.1668 Fixed in 10.0.20348.1668 Patch available CNA
- Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5850 Fixed in 10.0.14393.5850 Patch available CNA
- Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5850 Fixed in 10.0.14393.5850 Patch available CNA
- Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.24216 Fixed in 6.2.9200.24216 Patch available CNA
- Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.24216 Fixed in 6.2.9200.24216 Patch available CNA
- Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20919 Fixed in 6.3.9600.20919 Patch available CNA
- Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20919 Fixed in 6.3.9600.20919 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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_server_2022:-:*:*:*:*:*:*:* | not specified by NVD | 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
- cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
Remediation
Microsoft 7 updates
- Security Only
- Windows Server 2012 R2 6.3.9600.20919
- Windows Server 2012 R2 (Server Core installation) 6.3.9600.20919
- Monthly Rollup
- Windows Server 2012 6.2.9200.24216
- Windows Server 2012 (Server Core installation) 6.2.9200.24216
- Monthly Rollup
- Windows Server 2012 R2 6.3.9600.20919
- Windows Server 2012 R2 (Server Core installation) 6.3.9600.20919
Show 4 more Microsoft updates
- Security Only
- Windows Server 2012 6.2.9200.24216
- Windows Server 2012 (Server Core installation) 6.2.9200.24216
- Security Update
- Windows Server 2022 10.0.20348.1668
- Windows Server 2022 (Server Core installation) 10.0.20348.1668
- Security Update
- Windows 10 Version 1809 for 32-bit Systems 10.0.17763.4252
- Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.4252
- Windows 10 Version 1809 for x64-based Systems 10.0.17763.4252
- Windows Server 2019 10.0.17763.4252
- Windows Server 2019 (Server Core installation) 10.0.17763.4252
- Security Update
- Windows 10 Version 1607 for 32-bit Systems 10.0.14393.5850
- Windows 10 Version 1607 for x64-based Systems 10.0.14393.5850
- Windows Server 2016 10.0.14393.5850
- Windows Server 2016 (Server Core installation) 10.0.14393.5850
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Information Disclosure
- Exploited
- No
- Publicly disclosed
- —
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2023-28247
- 2026-10-03 Alias added: GHSA-jwh5-4rp3-v546
References
More Microsoft Windows Server 2012 vulnerabilities
- TI-2025-36863 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2020-01310 Improper input validation in Microsoft Windows Server KEVCVSS 3.1CRITICAL 10.0
- TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-01465 HTTP.sys in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01009 Improper input validation in Microsoft Windows Server KEVCVSS 3.1CRITICAL 9.0
Sources
- CVE-2023-28247 · CVE Program
- CVE-2023-28247 · NVD
- FIRST EPSS
- GHSA-jwh5-4rp3-v546 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-28247 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences