High · published December 9, 2025
⚡ An authorized attacker can exploit an out-of-bounds read in the Windows Cloud Files Mini Filter Driver! This vulnerability paves the way for privilege escalation — something you'd definitely want to prevent! 🔥 Think of it like a restaurant employee sneaking into the manager’s office and accessing sensitive files without permission. The unlocked door allows them to elevate their status from server to manager without anyone noticing! If exploited, this vulnerability could allow an attacker to elevate their privileges locally, potentially giving them control over sensitive operations and data. This could lead to unauthorized access to critical system functions, putting user data and system integrity at serious risk!
Think of it like a restaurant employee sneaking into the manager’s office and accessing sensitive files without permission. The unlocked door allows them to elevate their status from server to manager without anyone noticing! This out-of-bounds read flaw enables attackers to bypass security controls by reading unauthorized memory areas. It occurs in the Windows Cloud Files Mini Filter Driver, which incorrectly handles certain memory access requests.
If exploited, this vulnerability could allow an attacker to elevate their privileges locally, potentially giving them control over sensitive operations and data. This could lead to unauthorized access to critical system functions, putting user data and system integrity at serious risk! Ensure that your systems are updated to the latest version of Windows where this issue is patched. Regularly audit user permissions to deter unauthorized access and consider implementing strict monitoring for privileged operations. You’ve got this! By taking these steps, you’ll bolster your defenses against potential privilege escalation and keep your systems safe! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| 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_11_23h2 | < 10.0.22631.6345 | 10.0.22631.6345 |
| microsoft/windows_11_24h2 | < 10.0.26100.7392 | 10.0.26100.7392 |
| microsoft/windows_11_25h2 | < 10.0.26200.7392 | 10.0.26200.7392 |
| microsoft/windows_server_2019 | < 10.0.17763.8146 | 10.0.17763.8146 |
| microsoft/windows_server_2022 | < 10.0.20348.4467 | 10.0.20348.4467 |
| microsoft/windows_server_2022_23h2 | < 10.0.25398.2025 | 10.0.25398.2025 |
| microsoft/windows_server_2025 | < 10.0.26100.7392 | 10.0.26100.7392 |