CVE-2025-59210CWE-416

CVE-2025-59210

High · published October 14, 2025

CVSS v3.1
7.4
EPSS
0%
Percentile
20.2
In the wild
Unconfirmed
What it is

⚡ A misconfiguration in the Windows Resilient File System could let a clever attacker elevate their privileges, like a guest at a fancy hotel getting access to the VIP lounge! 🏨 This vulnerability is akin to having an unlocked door in a high-end establishment. While most guests can only access the lobby, an intruder could sneak in and stroll right into restricted areas without anyone batting an eye! If exploited, this vulnerability could allow an attacker to gain elevated privileges, potentially leading to unauthorized access to sensitive data or control over system settings. It's serious business—imagine a rogue guest taking the manager's office and accessing confidential files!

Put simply

This vulnerability is akin to having an unlocked door in a high-end establishment. While most guests can only access the lobby, an intruder could sneak in and stroll right into restricted areas without anyone batting an eye! This issue in Windows' ReFS deduplication service allows an attacker with low-level access to escalate their privileges, essentially bypassing security measures that are meant to keep them in check.

What to do

If exploited, this vulnerability could allow an attacker to gain elevated privileges, potentially leading to unauthorized access to sensitive data or control over system settings. It's serious business—imagine a rogue guest taking the manager's office and accessing confidential files! To mitigate this vulnerability, ensure that your Windows systems are updated to the latest security patches. Regularly review permissions settings and limit user access rights to minimize potential attack vectors. You've got this! By taking these steps, you're well on your way to keeping your systems secure and user access under control. 🛡️

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00288 · 20.2th percentile
Weakness
CWE-416 · Use After Free
Published
2025-10-14T21:16Z
Affected products (3)
ProductVersionsFixed in
microsoft/windows_11_24h2< 10.0.26100.689910.0.26100.6899
microsoft/windows_11_25h2< 10.0.26200.689910.0.26200.6899
microsoft/windows_server_2025≤ 10.0.26100.6899—
References (1)
EPSS history
Timeline
  • 14 OCT 17:01Z
    Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
    cvelistv5