CVE-2025-62221
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
In short
A flaw in Windows Cloud Files Mini Filter Driver allows an authorized user to gain higher system privileges by exploiting a memory error. This can let them take control of the system.
Technical detail
Use-after-free vulnerability in Windows Cloud Files Mini Filter Driver enables local privilege escalation when an authenticated attacker triggers access to freed memory. Exploitation requires prior local access and valid credentials; successful exploitation grants elevated system privileges.
Summary generated and translated by AI from the official description.
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
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
Affected products
Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 22H3Microsoft · Windows 11 Version 23H2Microsoft · Windows 11 Version 24H2Microsoft · Windows 11 Version 25H2Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft · Windows Server 2025Microsoft · Windows Server 2025 (Server Core installation)public PoCs found — 1
githubgithub.com/Teodor1231241/DEMO-Proof-of-Concept-Temporal-Memory-Inconsistency-in-cldflt.sys-CVE-2025-62221★ 2⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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