CVE-2026-62718medium6.5
Windows DHCP Server Information Disclosure Vulnerability
Impact
Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
Source excerpt · microsoftAffected packages
This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.
Affected products
Vendor version evidence. Product records are separate from automatic dependency matching.
Microsoft · Windows Server 2012
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 6.2.9200.0 to before 6.2.9200.26280 | affected |
Microsoft · Windows Server 2012 (Server Core installation)
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 6.2.9200.0 to before 6.2.9200.26280 | affected |
Microsoft · Windows Server 2012 R2
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 6.3.9600.0 to before 6.3.9600.23338 | affected |
Microsoft · Windows Server 2012 R2 (Server Core installation)
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 6.3.9600.0 to before 6.3.9600.23338 | affected |
Microsoft · Windows Server 2016
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 10.0.14393.0 to before 10.0.14393.9418 | affected |
Microsoft · Windows Server 2016 (Server Core installation)
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 10.0.14393.0 to before 10.0.14393.9418 | affected |
Microsoft · Windows Server 2019
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 10.0.17763.0 to before 10.0.17763.9121 | affected |
Microsoft · Windows Server 2019 (Server Core installation)
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 10.0.17763.0 to before 10.0.17763.9121 | affected |
Microsoft · Windows Server 2022
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 10.0.20348.0 to before 10.0.20348.5499 | affected |
Microsoft · Windows Server 2025
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 10.0.26100.0 to before 10.0.26100.33296 | affected |
Microsoft · Windows Server 2025 (Server Core installation)
Platforms: x64-based Systems
| Version / range | Source status |
|---|---|
| 10.0.26100.0 to before 10.0.26100.33296 | affected |
Original source description
Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.