CVE-2025-21271

Published: Jan 14, 2025

Modified: Feb 26, 2026

PUBLISHED

CVSS v3.1

7.8

HIGH

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Vendor	Product	Versions
Microsoft	Windows 10 Version 1809	affected `10.0.17763.0 - < 10.0.17763.6775`
Microsoft	Windows 10 Version 21H2	affected `10.0.19044.0 - < 10.0.19044.5371`
Microsoft	Windows 10 Version 22H2	affected `10.0.19045.0 - < 10.0.19045.5371`
Microsoft	Windows Server 2019	affected `10.0.17763.0 - < 10.0.17763.6775`
Microsoft	Windows Server 2019 (Server Core installation)	affected `10.0.17763.0 - < 10.0.17763.6775`
Microsoft	Windows Server 2022	affected `10.0.20348.0 - < 10.0.20348.3091`

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

vendor-advisory

patch

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