CVE-2025-62454

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

Affected

Microsoft · Windows 10 Version 1809 · Windows 10 Version 21H2 · Windows 10 Version 22H2 · Windows 11 version 22H3 · Windows 11 Version 23H2 · Windows 11 Version 24H2

CVSS v3.1 MICROSOFT

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

2.29% chance of exploitation in the next 30 days, 83rd percentile

Published

2025-12-09

Updated

2026-04-16

Proof-of-concept exploits (1)

• 96613686/CVE-2025-624541★ · 2025-12-18

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62454

References

• CVE Record
• NVD entry

Related

• CVE-2025-62470
• CVE-2026-45584