DHCP Server Service Information Disclosure Vulnerability
Priority LOW 38CWE-126Published · 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
DHCP Server Service Information Disclosure Vulnerability
Why it matters now
EPSS 0.02646 85th percentileScored 2026-11-07
Fix Fixed Microsoft: 7 updates
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 2019 | 10.0.17763.0 to before 10.0.17763.5206 | 10.0.17763.5206 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before 10.0.17763.5206 | 10.0.17763.5206 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.2159 | 10.0.20348.2159 | Patch available | CNA |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 to before 10.0.25398.584 | 10.0.25398.584 | Patch available | CNA |
| Microsoft | Windows Server 2016 | 10.0.14393.0 to before 10.0.14393.6529 | 10.0.14393.6529 | Patch available | CNA |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 to before 10.0.14393.6529 | 10.0.14393.6529 | Patch available | CNA |
| Microsoft | Windows Server 2012 | 6.2.9200.0 to before 6.2.9200.24614 | 6.2.9200.24614 | Patch available | CNA |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 to before 6.2.9200.24614 | 6.2.9200.24614 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 to before 6.3.9600.21715 | 6.3.9600.21715 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 to before 6.3.9600.21715 | 6.3.9600.21715 | Patch available | CNA |
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.5206 Fixed in 10.0.17763.5206 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.5206 Fixed in 10.0.17763.5206 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.2159 Fixed in 10.0.20348.2159 Patch available CNA
- Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.584 Fixed in 10.0.25398.584 Patch available CNA
- Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.6529 Fixed in 10.0.14393.6529 Patch available CNA
- Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.6529 Fixed in 10.0.14393.6529 Patch available CNA
- Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.24614 Fixed in 6.2.9200.24614 Patch available CNA
- Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.24614 Fixed in 6.2.9200.24614 Patch available CNA
- Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.21715 Fixed in 6.3.9600.21715 Patch available CNA
- Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.21715 Fixed in 6.3.9600.21715 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 Hotpatch Update
- Windows Server 2022 10.0.20348.2144
- Windows Server 2022 (Server Core installation) 10.0.20348.2144
- Monthly Rollup
- Windows Server 2012 6.2.9200.24614
- Windows Server 2012 (Server Core installation) 6.2.9200.24614
- Monthly Rollup
- Windows Server 2012 R2 6.3.9600.21715
- Windows Server 2012 R2 (Server Core installation) 6.3.9600.21715
Show 4 more Microsoft updates
- Security Update
- Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.584
- Security Update
- Windows 10 Version 1607 for 32-bit Systems 10.0.14393.6529
- Windows 10 Version 1607 for x64-based Systems 10.0.14393.6529
- Windows Server 2016 10.0.14393.6529
- Windows Server 2016 (Server Core installation) 10.0.14393.6529
- Security Update
- Windows 10 Version 1809 for 32-bit Systems 10.0.17763.5206
- Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.5206
- Windows 10 Version 1809 for x64-based Systems 10.0.17763.5206
- Windows Server 2019 10.0.17763.5206
- Windows Server 2019 (Server Core installation) 10.0.17763.5206
- Security Update
- Windows Server 2022 10.0.20348.2159
- Windows Server 2022 (Server Core installation) 10.0.20348.2159
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-2023-35643
- 2026-10-03 Alias added: GHSA-8vrm-g5r7-f2c7
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-2023-35643 · CVE Program
- CVE-2023-35643 · NVD
- FIRST EPSS
- GHSA-8vrm-g5r7-f2c7 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-35643 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences