8.1
High
CVE-2026-88119 Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network
Description
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.26434 | 6.2.9200.26434 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.26434 | 6.2.9200.26434 |
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.23470 | 6.3.9600.23470 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.23470 | 6.3.9600.23470 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.9612 | 10.0.14393.9612 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.9612 | 10.0.14393.9612 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.9376 | 10.0.17763.9376 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.9376 | 10.0.17763.9376 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.5761 | 10.0.20348.5761 |
Show the 2 other branches Hide the 2 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.33650 | 10.0.26100.33650 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.33650 | 10.0.26100.33650 |
References
- Windows DHCP Server Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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