CVE-2020-17103

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Affected

Microsoft · Windows 10 Version 1809 · Windows 11 version 23H2 · Windows 11 Version 23H2 · Windows 11 Version 24H2 · Windows 11 Version 25H2 · Windows 11 version 26H1

CVSS v3.1 NVD

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

CVSS v3.1 MICROSOFT

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

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

22.15% chance of exploitation in the next 30 days, 98th percentile

Published

2020-12-09

Updated

2026-06-10

Proof-of-concept exploits (3)

• 0xBlackash/CVE-2020-171030★ · 2026-06-07
• AlexLinov/MiniPlasma-Runner46★ · 2026-05-20
• MaikCyberSec/Threat-Hunting-12★ · 2026-09-28

Security advisories

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17103

References

• CVE Record
• NVD entry

Related

• CVE-2023-25355
• CVE-2023-25356
• CVE-2025-5777