high8.0
CVE-2026-33826
Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.
Impact
Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows Server 2012 | Version r2 |
| Microsoft | Windows Server 2016 | before 10.0.14393.9060 |
| Microsoft | Windows Server 2019 | before 10.0.17763.8644 |
| Microsoft | Windows Server 2022 | before 10.0.20348.5020 |
| Microsoft | Windows Server 2022 23h2 | before 10.0.25398.2274 |
| Microsoft | Windows Server 2025 | before 10.0.26100.32690 |