High · published December 9, 2025
⚡ An authorized attacker can elevate their privileges locally in Windows Message Queuing with improper input validation — like a guest sneaking into the VIP section of a party! 🎉 This vulnerability is akin to someone using a fake ticket to gain access to a restricted area at an event. The system trusts the ticket without checking its authenticity, allowing unauthorized actions within the network. If exploited, an attacker could gain elevated privileges, enabling them to execute malicious commands, access sensitive data, and potentially compromise the entire system. This could lead to a complete takeover of critical resources, causing significant damage and disruptions.
This vulnerability is akin to someone using a fake ticket to gain access to a restricted area at an event. The system trusts the ticket without checking its authenticity, allowing unauthorized actions within the network. The vulnerability arises from improper input validation in Windows Message Queuing, allowing authorized users to manipulate message content and execute unauthorized actions.
If exploited, an attacker could gain elevated privileges, enabling them to execute malicious commands, access sensitive data, and potentially compromise the entire system. This could lead to a complete takeover of critical resources, causing significant damage and disruptions. To remediate this vulnerability, ensure all systems are updated to the latest patches provided by Microsoft. Regularly audit user permissions and implement strict input validation checks to prevent unauthorized access. Consider disabling unnecessary services if not in use. You've got this! With these steps, you'll boost your security and keep those unauthorized party crashers at bay! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| microsoft/windows_10_1607 | < 10.0.14393.8688 | 10.0.14393.8688 |
| microsoft/windows_10_1607 | < 10.0.14393.8688 | 10.0.14393.8688 |
| microsoft/windows_10_1809 | < 10.0.17763.8146 | 10.0.17763.8146 |
| microsoft/windows_10_1809 | < 10.0.17763.8146 | 10.0.17763.8146 |
| microsoft/windows_10_21h2 | < 10.0.19044.6691 | 10.0.19044.6691 |
| microsoft/windows_10_22h2 | < 10.0.19045.6691 | 10.0.19045.6691 |
| microsoft/windows_server_2008 | all versions | — |
| microsoft/windows_server_2008 | all versions | — |
| microsoft/windows_server_2008 | all versions | — |
| microsoft/windows_server_2012 | all versions | — |
| microsoft/windows_server_2012 | all versions | — |
| microsoft/windows_server_2016 | < 10.0.14393.8688 | 10.0.14393.8688 |
| microsoft/windows_server_2019 | < 10.0.17763.8146 | 10.0.17763.8146 |