High · published December 9, 2025
⚡ A heap-based buffer overflow lurking in Windows Resilient File System (ReFS) could let attackers execute code simply by accessing it over the network! Think of the ReFS as a meticulously organized library, but with a sneaky librarian who lets unauthorized visitors slip in and tamper with the books — leading to chaos on the shelves! 📚 An attacker with access could potentially execute arbitrary code, compromising data integrity and system security. This could lead to anything from data loss to taking full control of the system, all while hiding in plain sight!
Think of the ReFS as a meticulously organized library, but with a sneaky librarian who lets unauthorized visitors slip in and tamper with the books — leading to chaos on the shelves! 📚 This vulnerability allows an authorized attacker to exploit a heap-based buffer overflow in ReFS, enabling them to run malicious code remotely, bypassing security measures that should keep systems safe.
An attacker with access could potentially execute arbitrary code, compromising data integrity and system security. This could lead to anything from data loss to taking full control of the system, all while hiding in plain sight! To mitigate this risk, ensure your systems are updated with the latest security patches. Regularly audit user access permissions to limit exposure and consider monitoring network traffic for unusual activity. Act now to enhance your defenses! You've got this! Stay proactive, and together we can keep our systems secure! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| 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_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 |