CVE-2020-17103: Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.
Generated by VEDAS. Scores as of 2026-11-11 15:49 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
What it is
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Description quoted from the CVE record (assigned by microsoft, published 2020-12-09).
Weakness: CWE-269 Improper Privilege Management
How it can be exploited
Exploitable with local access with high attack complexity needing low privileges and no user interaction. Impact: confidentiality high, integrity high, availability high. 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
CISA assessment (SSVC): CISA has no evidence of exploitation. Automatable: no. Technical impact: total.
Public exploit evidence (Exploit Observer)
Exploit Observer found 2 code repositories naming this CVE.
Code repositories that name a CVE are often scanners, copies or fakes, and some are malware. Read the code before running anything.
See all 10 references on Exploit Observer
Live scores
- EPSS
- 0.299
likely to be attacked soon - VEDAS
- 0.761
likely exploited - On CISA KEV
- Not listed
- Detection rule
- No public rule yet
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0 before 10.0.17763.8880 | Not stated |
| Microsoft Windows 11 version 23H2 | from 10.0.22631.0 before 10.0.22631.7219 | Not stated |
| Microsoft Windows 11 Version 23H2 | from 10.0.22631.0 before 10.0.22631.7219 | Not stated |
| Microsoft Windows 11 Version 24H2 | from 10.0.26100.0 before 10.0.26100.8655 | Not stated |
| Microsoft Windows 11 Version 25H2 | from 10.0.26200.0 before 10.0.26200.8655 | Not stated |
| Microsoft Windows 11 version 26H1 | from 10.0.28000.0 before 10.0.28000.2269 | Not stated |
| Microsoft Windows Server 2019 | from 10.0.17763.0 before 10.0.17763.8880 | Not stated |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0 before 10.0.17763.8880 | Not stated |
| Microsoft Windows Server 2025 | from 10.0.26100.0 before 10.0.26100.32995 | Not stated |
| Microsoft Windows Server 2025 (Server Core installation) | from 10.0.26100.0 before 10.0.26100.32995 | Not stated |
Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.
How to fix it
Fixed versions stated in the CVE record: 10.0.17763.8880, 10.0.22631.7219, 10.0.26100.8655, 10.0.26200.8655, 10.0.28000.2269, 10.0.26100.32995.
Vendor guidance:
- Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability (vendor-advisory, patch)
How to detect it
There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.
References
Vendor advisories and patches
- Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability (vendor-advisory, patch)
Other references
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17103 (x_refsource_MISC, x_transferred)
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, cve-scores (EPSS and VEDAS), Exploit Observer. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.
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