DHCP Server Service Denial of Service Vulnerability
Priority MEDIUM 43CWE-693Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Protection mechanism failure in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01901 79th 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 2016 | 10.0.14393.0 to before 10.0.14393.8148 | 10.0.14393.8148 | Patch available | CNA |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 to before 10.0.14393.8148 | 10.0.14393.8148 | Patch available | CNA |
| Microsoft | Windows Server 2019 | 10.0.17763.0 to before 10.0.17763.7434 | 10.0.17763.7434 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before 10.0.17763.7434 | 10.0.17763.7434 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.3807 | 10.0.20348.3807 | Patch available | CNA |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 to before 10.0.25398.1665 | 10.0.25398.1665 | Patch available | CNA |
| Microsoft | Windows Server 2025 | 10.0.26100.0 to before 10.0.26100.4349 | 10.0.26100.4349 | Patch available | CNA |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 to before 10.0.26100.4349 | 10.0.26100.4349 | Patch available | CNA |
- Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.8148 Fixed in 10.0.14393.8148 Patch available CNA
- Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.8148 Fixed in 10.0.14393.8148 Patch available CNA
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.7434 Fixed in 10.0.17763.7434 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.7434 Fixed in 10.0.17763.7434 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.3807 Fixed in 10.0.20348.3807 Patch available CNA
- Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.1665 Fixed in 10.0.25398.1665 Patch available CNA
- Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.4349 Fixed in 10.0.26100.4349 Patch available CNA
- Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.4349 Fixed in 10.0.26100.4349 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* | before 10.0.14393.8148 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* | before 10.0.17763.7434 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* | before 10.0.20348.3745 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* | before 10.0.25398.1665 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* | before 10.0.26100.4270 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* Versions before 10.0.14393.8148 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.7434 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.3745 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.1665 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* Versions before 10.0.26100.4270 Vulnerable ·Microsoft
Remediation
Microsoft 7 updates
- Security Update
- Windows 10 Version 1607 for 32-bit Systems 10.0.14393.8148
- Windows 10 Version 1607 for x64-based Systems 10.0.14393.8148
- Windows Server 2016 10.0.14393.8148
- Windows Server 2016 (Server Core installation) 10.0.14393.8148
- Security Update
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.4349
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.4349
- Windows Server 2025 10.0.26100.4349, 10.0.26200.4349
- Windows Server 2025 (Server Core installation) 10.0.26100.4349, 10.0.26200.4349
- SecurityHotpatchUpdate
- Windows 11 Version 24H2 for ARM64-based Systems 10.0.26100.4270
- Windows 11 Version 24H2 for x64-based Systems 10.0.26100.4270
- Windows Server 2025 10.0.26100.4270
- Windows Server 2025 (Server Core installation) 10.0.26100.4270
Show 4 more Microsoft updates
- Security Update
- Windows 10 Version 1809 for 32-bit Systems 10.0.17763.7434
- Windows 10 Version 1809 for x64-based Systems 10.0.17763.7434
- Windows Server 2019 10.0.17763.7434
- Windows Server 2019 (Server Core installation) 10.0.17763.7434
- Security Update
- Windows Server 2022 10.0.20348.3807
- Windows Server 2022 (Server Core installation) 10.0.20348.3807
- SecurityHotpatchUpdate
- Windows Server 2022 10.0.20348.3745
- Windows Server 2022 (Server Core installation) 10.0.20348.3745
- Security Update
- Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1665
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Denial of Service
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2025-32725
- 2026-10-03 Alias added: GHSA-4qxh-75jf-785r
References
More Microsoft Windows Server 2016 vulnerabilities
- TI-2026-26194 Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- 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-2020-01009 Improper input validation in Microsoft Windows Server KEVCVSS 3.1CRITICAL 9.0
Sources
- CVE-2025-32725 · CVE Program
- CVE-2025-32725 · NVD
- FIRST EPSS
- GHSA-4qxh-75jf-785r · GitHub Advisory Database · CC BY 4.0
- CVE-2025-32725 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences