Vulnerability · Published Dec 9, 2020 · Assigned by microsoft

CVE-2020-17103Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

High 7.0

In plain English

A high-severity privilege mismanagement in Windows 10 Version 1809 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 23.8% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)7.0High
Exploit odds (30 days)23.8%top 2.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.8880
Microsoft Windows 11 version 23H2 10.0.22631.0 – before 10.0.22631.7219
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.7219
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.8655
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.8655
Microsoft Windows 11 version 26H1 10.0.28000.0 – before 10.0.28000.2269
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.8880
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.8880
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.32995
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.32995

Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References