CVE-2025-50170

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Description

Improper handling of insufficient permissions or privileges in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory microsoft.com
Affected: Microsoft Windows 10 Version 1809
Affected: Microsoft Windows Server 2019
Affected: Microsoft Windows Server 2019 (Server Core installation)
Affected: Microsoft Windows Server 2022
Affected: Microsoft Windows 10 Version 21H2
Affected: Microsoft Windows 11 version 22H2
Affected: Microsoft Windows 10 Version 22H2
Affected: Microsoft Windows Server 2025 (Server Core installation)
Affected: Microsoft Windows 11 version 22H3
Affected: Microsoft Windows 11 Version 23H2
Affected: Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
Affected: Microsoft Windows 11 Version 24H2
Affected: Microsoft Windows Server 2025
Published at:
Updated at:

References

Link Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-50170 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-50170?
CVE-2025-50170 has been scored as a high severity vulnerability.
How to fix CVE-2025-50170?
To fix CVE-2025-50170, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-50170 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-50170 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-50170?
CVE-2025-50170 affects Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows Server 2022, Microsoft Windows 10 Version 21H2, Microsoft Windows 11 version 22H2, Microsoft Windows 10 Version 22H2, Microsoft Windows Server 2025 (Server Core installation), Microsoft Windows 11 version 22H3, Microsoft Windows 11 Version 23H2, Microsoft Windows Server 2022, 23H2 Edition (Server Core installation), Microsoft Windows 11 Version 24H2, Microsoft Windows Server 2025.
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