High · published January 13, 2026
⚡ An authorized attacker can play around with privilege levels on Windows thanks to a sneaky heap-based buffer overflow! 🔥 Think of this vulnerability like a hotel front desk that gives out master keys to anyone with a reservation — once they have it, they can access any room, no questions asked! 🏨 With this exploit, an attacker can elevate their privileges, allowing them to execute malicious code with higher-level access. This could lead to unauthorized data manipulation or even complete control over the system, making it an alarming situation for any organization.
Think of this vulnerability like a hotel front desk that gives out master keys to anyone with a reservation — once they have it, they can access any room, no questions asked! 🏨 This heap-based buffer overflow in the Windows Common Log File System Driver allows an attacker, already with local access, to write beyond the allocated memory limit, causing the system to behave unpredictably and granting elevated privileges.
With this exploit, an attacker can elevate their privileges, allowing them to execute malicious code with higher-level access. This could lead to unauthorized data manipulation or even complete control over the system, making it an alarming situation for any organization. To mitigate this issue, ensure that you're running the latest security patches for Windows. Regularly audit user privileges and limit access to sensitive systems to prevent unauthorized users from exploiting this vulnerability. You've got this! Stay proactive and secure your system today! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| microsoft/windows_10_1607 | < 10.0.14393.8783 | 10.0.14393.8783 |
| microsoft/windows_10_1607 | < 10.0.14393.8783 | 10.0.14393.8783 |
| microsoft/windows_10_1809 | < 10.0.17763.8276 | 10.0.17763.8276 |
| microsoft/windows_10_1809 | < 10.0.17763.8276 | 10.0.17763.8276 |
| microsoft/windows_10_21h2 | < 10.0.19044.6809 | 10.0.19044.6809 |
| microsoft/windows_10_22h2 | < 10.0.19045.6809 | 10.0.19045.6809 |
| microsoft/windows_11_23h2 | < 10.0.22631.6491 | 10.0.22631.6491 |
| microsoft/windows_11_24h2 | < 10.0.26100.7623 | 10.0.26100.7623 |
| microsoft/windows_11_25h2 | < 10.0.26200.7623 | 10.0.26200.7623 |
| 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 | < 10.0.14393.8783 | 10.0.14393.8783 |
| microsoft/windows_server_2019 | < 10.0.17763.8276 | 10.0.17763.8276 |
| microsoft/windows_server_2022 | < 10.0.20348.4648 | 10.0.20348.4648 |
| microsoft/windows_server_2022_23h2 | < 10.0.25398.2092 | 10.0.25398.2092 |
| microsoft/windows_server_2025 | < 10.0.26100.32230 | 10.0.26100.32230 |