CVE-2026-33826
Received
Received - Intake
Improper Input Validation in Windows AD Enables Remote Code Execution
Publication date: 2026-04-14
Last updated on: 2026-04-17
Assigner: Microsoft Corporation
Description
Description
Improper input validation in Windows Active Directory allows an authorized attacker to execute code over an adjacent network.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2016 | to 10.0.14393.9060 (exc) |
| microsoft | windows_server_2019 | to 10.0.17763.8644 (exc) |
| microsoft | windows_server_2022 | to 10.0.20348.5020 (exc) |
| microsoft | windows_server_2022_23h2 | to 10.0.25398.2274 (exc) |
| microsoft | windows_server_2025 | to 10.0.26100.32690 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
An attacker exploiting this vulnerability can execute arbitrary code remotely, which can lead to full compromise of the affected system.
- Remote Code Execution
- Potential full system compromise
- High impact on confidentiality, integrity, and availability
Can you explain this vulnerability to me?
This vulnerability is caused by improper input validation in Windows Active Directory. It allows an authorized attacker to execute code remotely over an adjacent network.
Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70